7
22
.....CCCC.HHHH..GGGG..
.....C..CFHFEHEEG..G..
.....BBBBFHBEAAAGABG..
.....B.IIFHHHAFIGGGG..
.....BBIBFFFEAFDEADIDD
.....C.IIIIIEAAAAAII.D
.....CCCC..DEEEEEDDDDD
