A
a b c d a b a b c d e a b c g h f i d e f g h i M a b c a b c d M a M b c d
a b a b a M b a b a b c a b a M
a a M a c d b a b c d a b
a b a M c d a b e c M f a b c d e f E F d e a f a M bm c d a M b a M b a M b M
a b a M b a M b a M b a b M a M b c M d e a M b c M d e a b c M d a M b c
a b c d c a a b c d e f g h i j a b c M e f e f g h i j g i j g h i j
a b c d a b c d e M a b c d e M
a b c M EF a b a b c a b a M b c d e
a b d c d EF a b c a b a M b c d c a b c d
a b a a b c e d e R
a b c R d a b c d
a b c a b c a b M c
M a M a b c d e
a b c d e a b a M a M M a M b a M
a b M c d M a b a b a M b c d b c a b c
M a a b c M a b c a b a b c a M
a b M c a a b c d M
a a a b c d b c c d b a b M M M MM
a a a b
a a b
a b c M a b c d e a b M a b c M
a M