NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE