    10   40
A         CACACACAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAA
B         CACACAACAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAA
C         CACAACAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAA
D         CAACAAAACAAAAAAAAACAAAAAAAAAAAAAAAAAAAAA
E         CAACAAAAACAAAAAAAACAAAAAAAAAAAAAAAAAAAAA
F         ACAAAAAAAACACACAAAACAAAAAAAAAAAAAAAAAAAA
G         ACAAAAAAAACACAACAAACAAAAAAAAAAAAAAAAAAAA
H         ACAAAAAAAACAACAAAAACAAAAAAAAAAAAAAAAAAAA
I         ACAAAAAAAAACAAAACAACAAAAAAAAAAAAAAAAAAAA
J         ACAAAAAAAAACAAAAACACAAAAAAAAAAAAAAAAAAAA