20 20
AAAAAAAAAAAAABBCCCCC
ADDEEEEEEEEEEFBCCCCC
ADDEEEEEEEEEEFBCCCCC
ADDEEEGGHIIIIJKLLLCC
ADDEEEEEEEEEEMNCCCCC
ADDEEEEEEEEEEMNCCCCC
OPPQQQQQQQQQQRSTTTTT
OPPUUUVVVVVVVWXYYYYZ
OPPUUUVVVVVVVWXYYYYZ
OPabbbcccccVVWXYYYYZ
OOdeeefffffgghXYYYYZ
OOdeeefffffgghXYYYYZ
OOOiiijjkkkkklmYYYYZ
OOOiiijjkkkkklmYYYYZ
OOOnnnjjkkkkklmYYYYZ
OOopppqqrrssstmYYYYZ
uuuvvvwwxxxxxxyzYYYZ
00011122333333345556
77777788999999966666
77777788999999966666
