Box Packing

Design and Copyright : William Hu (2013).

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.....D.. | .....D.. | .....D.. | .....D.. | .....D.. | .....D.. | .....D..
.....D.. | .XXXXXX. | .XXXXXX. | .XXXXXX. | .XXXXXX. | .XXXXXX. | .....D..
CCC..D.. | CXXXXXX. | CXAAAAX. | CX...AX. | CX....X. | CX....X. | CCCCCD..
........ | .XXXXXX. | .XA...X. | .XA.CAX. | .XA.C.X. | .XABC.X. | ..AACD..
........ | .XXXXXX. | .X....X. | .X..C.X. | .XDDD.X. | .XBBD.X. | ..ABDD..
..A..BBB | .XXXXXXB | .X....XB | .X.BCCXB | .XBBC.XB | .XBB..XB | ..ABBBBB
..A..... | .XXXXXX. | .XXXXXX. | .XXXXXX. | .XXXXXX. | .XXXXXX. | ..A.....
..A..... | ..A..... | ..A..... | ..A..... | ..A..... | ..A..... | ..A.....

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