20 20
ABCCCCCCCCCCDDDDDEEE
FGHHHHHHHHCCCCCCCIII
JKLLLLLLLLCCCCCCCIII
MNOOOOOOOOPPPPPPPQQQ
MNOOOOOOOOPPPPPPPQQQ
MNOOOOOOOOPPPPPPPQQQ
MNOOOOOOOOPPPPPPPQQQ
MNOOOOOOOOPPPPPPPQQQ
RSSTTTTTTTUUUUUUUVVV
RSSTTTTTTTUUUUUUUUUU
RSSTTTTTTTUUUUUUUUUU
RSSTTTTTTTUUUUUUUUUU
SSSTTTTTTTUUUUUUUUUU
SSSTTTTTTTUUUUUUUUUU
SSSTTTTTTTUUUUUUUUUU
SSSTTTTTTTUUUUUUUUUU
SSSTTTTTTTUWWWWWWWWW
SSSTTTTTTTUWWWWWWWWW
XXXTTTTTTTUWWWWWWWWW
XXXTTTTTTTUWWWWWWWWW
