1=C
[#1][#1]7#5#4#5
#57#4#43#4#5
#57 [#1][#1]7 #5#4#57#4#53
3#4#57#5#43
[#1][#1]7#5#4#5
#57#4#43#4#5#57 [#1][#1]7#5#4#57[#1][#2][#1] 3#4#57#5#43
7[#1][#1]7[#1] 7[#1][#1]7[#1]
7[#1][#1]7[#1] [3 #4#5#43] [#1]
7[#1][#1]7[#1] [3] [#1]
7[#1][#5#43][#1]
[#1] [3][#1] [3#4#4]
[77#5#43 #4#5] [#1] [#4#5] [#1] [#4#5][#1] [#4#57#5 #4#5] [#1] [#4#5]
7[#1][#1][#2] [3][#2] [3#4] [#4#5] [#1] [#4#5] [#1] [#4#5] [#1] [#4#5 7#5#4 3#5]
7 [7#5#43 #4#5] [#1] [#4#5] [#1] [#4#5] [#1] [#4#5 7#5#4#5]
[#1] [#4#5] 7 [#1][#1][#2] [3] [#2][#1]7
[#1] [#5#5] 7[#1] [#5#5] 7[#1] [#5#5] [#4#57#5#43]
