I took the symmetry into account and I found only one solution at 112 moves. Using more moves, there are another 483 solutions: 
FOUND(1,3) at distance 112
FOUND(1,3) at distance 113
FOUND(1,3) at distance 114
FOUND(1,3) at distance 114
FOUND(1,3) at distance 114
FOUND(1,3) at distance 115
FOUND(1,3) at distance 115
FOUND(1,3) at distance 115
FOUND(1,3) at distance 115
FOUND(1,3) at distance 116
FOUND(1,3) at distance 116
FOUND(1,3) at distance 116
FOUND(1,3) at distance 116
FOUND(1,3) at distance 116
FOUND(1,3) at distance 116
FOUND(1,3) at distance 117
FOUND(1,3) at distance 117
FOUND(1,3) at distance 117
FOUND(1,3) at distance 117
FOUND(1,3) at distance 117
FOUND(1,3) at distance 117
FOUND(1,3) at distance 117
FOUND(1,3) at distance 118
FOUND(1,3) at distance 118
FOUND(1,3) at distance 118
FOUND(1,3) at distance 118
FOUND(1,3) at distance 118
FOUND(1,3) at distance 119
FOUND(1,3) at distance 119
FOUND(1,3) at distance 119
FOUND(1,3) at distance 119
FOUND(1,3) at distance 119
FOUND(1,3) at distance 120
FOUND(1,3) at distance 120
FOUND(1,3) at distance 120
FOUND(1,3) at distance 120
FOUND(1,3) at distance 120
FOUND(1,3) at distance 121
FOUND(1,3) at distance 121
FOUND(1,3) at distance 121
FOUND(1,3) at distance 121
FOUND(1,3) at distance 121
FOUND(1,3) at distance 121
FOUND(1,3) at distance 122
FOUND(1,3) at distance 122
FOUND(1,3) at distance 122
FOUND(1,3) at distance 122
FOUND(1,3) at distance 122
FOUND(1,3) at distance 122
FOUND(1,3) at distance 123
FOUND(1,3) at distance 123
FOUND(1,3) at distance 123
FOUND(1,3) at distance 123
FOUND(1,3) at distance 123
FOUND(1,3) at distance 123
FOUND(1,3) at distance 123
FOUND(1,3) at distance 123
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 124
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 125
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 126
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 127
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 128
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 129
FOUND(1,3) at distance 130
FOUND(1,3) at distance 130
FOUND(1,3) at distance 130
FOUND(1,3) at distance 130
FOUND(1,3) at distance 130
FOUND(1,3) at distance 130
FOUND(1,3) at distance 130
FOUND(1,3) at distance 130
FOUND(1,3) at distance 130
FOUND(1,3) at distance 130
FOUND(1,3) at distance 131
FOUND(1,3) at distance 131
FOUND(1,3) at distance 131
FOUND(1,3) at distance 131
FOUND(1,3) at distance 131
FOUND(1,3) at distance 131
FOUND(1,3) at distance 131
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 132
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 133
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 134
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 135
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 136
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 137
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 138
FOUND(1,3) at distance 139
FOUND(1,3) at distance 139
FOUND(1,3) at distance 139
FOUND(1,3) at distance 139
FOUND(1,3) at distance 139
FOUND(1,3) at distance 139
FOUND(1,3) at distance 139
FOUND(1,3) at distance 139
FOUND(1,3) at distance 139
FOUND(1,3) at distance 139
FOUND(1,3) at distance 140
FOUND(1,3) at distance 140
FOUND(1,3) at distance 140
FOUND(1,3) at distance 140
FOUND(1,3) at distance 140
FOUND(1,3) at distance 140
FOUND(1,3) at distance 140
FOUND(1,3) at distance 140
FOUND(1,3) at distance 140
FOUND(1,3) at distance 141
FOUND(1,3) at distance 141
FOUND(1,3) at distance 141
FOUND(1,3) at distance 141
FOUND(1,3) at distance 141
FOUND(1,3) at distance 141
FOUND(1,3) at distance 141
FOUND(1,3) at distance 142
FOUND(1,3) at distance 142
FOUND(1,3) at distance 142
FOUND(1,3) at distance 142
FOUND(1,3) at distance 142
FOUND(1,3) at distance 142
FOUND(1,3) at distance 143
FOUND(1,3) at distance 143
FOUND(1,3) at distance 143
FOUND(1,3) at distance 143
FOUND(1,3) at distance 143
FOUND(1,3) at distance 144
FOUND(1,3) at distance 144
FOUND(1,3) at distance 144
FOUND(1,3) at distance 144
FOUND(1,3) at distance 144
FOUND(1,3) at distance 145
FOUND(1,3) at distance 145
FOUND(1,3) at distance 145
FOUND(1,3) at distance 145
FOUND(1,3) at distance 145
FOUND(1,3) at distance 146
FOUND(1,3) at distance 146
FOUND(1,3) at distance 146
FOUND(1,3) at distance 146
FOUND(1,3) at distance 146
FOUND(1,3) at distance 146
FOUND(1,3) at distance 146
FOUND(1,3) at distance 147
FOUND(1,3) at distance 147
FOUND(1,3) at distance 147
FOUND(1,3) at distance 147
FOUND(1,3) at distance 147
FOUND(1,3) at distance 147
FOUND(1,3) at distance 147
FOUND(1,3) at distance 147
FOUND(1,3) at distance 147
FOUND(1,3) at distance 147
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 148
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 149
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 150
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 151
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 152
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 153
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 154
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 155
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 156
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 157
FOUND(1,3) at distance 158
FOUND(1,3) at distance 158
FOUND(1,3) at distance 158
FOUND(1,3) at distance 158
FOUND(1,3) at distance 158
FOUND(1,3) at distance 158
FOUND(1,3) at distance 158

The longest solution takes 158 moves. Of course this is making sure that no configuration is visited more than once. If I solved it by hand I'm pretty sure I'd take more than 158 because I would go in circles... ;-)

In reply to Re^3: Challenge: Setting Sun Puzzle by itub
in thread Challenge: Setting Sun Puzzle by Limbic~Region

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.