Design and Copyright : Franklin Gonsalves (2008).
AAAAA | AA.AA | A.... | ..... AA.AA | AA..A | ..... | .A... A.... | .A... | .A... | .A...
BBBBB | BB.BB | B.... BB.BB | BB..B | .BB.. B.... | ..... | .B...
CCCCC | CC.CC | C.... CC.CC | CC..C | .C... C.... | ..... | .CC..
DDDDD | DD.DD | D.... DD.DD | DD..D | ..... D.... | .D... | ..... ..... | .D... | .....