123 decimal = 01111011 binary
234 decimal = 11101010 binary
               ^^ ^ ^  <-- ANDing to find overlap
106 decimal   01101010 result

##</code><code>##

'0' = char 48 = 110000 binary
'1' = char 49 = 110001 binary
'2' = char 50 = 110010 binary
'3' = char 51 = 110011 binary
'4' = char 52 = 110100 binary
'5' = char 53 = 110101 binary
'6' = char 54 = 110110 binary
'7' = char 55 = 110111 binary
'8' = char 56 = 110100 binary
'9' = char 57 = 110101 binary

##</code><code>##

'1' = char 49 = 110001 binary
'2' = char 50 = 110010 binary
                ^^     <-- ANDing to find overlap
'0' = char 48 = 110000 binary

##</code><code>##

'2' = char 50 = 110010 binary
'3' = char 51 = 110011 binary
                ^^  ^  <-- ANDing to find overlap
'2' = char 49 = 110010 binary

##</code><code>##

'5' = char 53 = 110101 binary
                  ^^^^  <--Note these bits

##</code><code>##

5 = 0101 binary

##</code><code>##

'A' = char 65 = 01000001 binary
'B' = char 66 = 01000010 binary

'a' = char 97 = 01100001 binary
'b' = char 98 = 01100010 binary

##</code><code>##

print 'AbCdEfGh' | '        ', "\n";
print 'aBcDeFgH' & '________', "\n";

##</code><code>##

abcdefgh
ABCDEFGH