FILE1:
<snip>
2	2	2	2	2	2
2	2	2	2	2	2
2	2	2	2	2	2
2	2	2	2	2	2
</snip>

FILE2:
<snip>
2	1	2	2	1	2
2	2	1	2	2	2
2	1	2	2	1	2
2	2	1	2	2	2
</snip>