(7--7#6) #1(7) 2#1 #1
(7--7#6) 2#1 3#2
(35#45 35#45 35#45 3565#4)
(3767 3767 3767 3767)
(3)323 (3)323 (3)323 (3)323
(#4)#43#4 (#4)#43#4 (#4)#43#4 (#4)#43#4 (7--)
(7)3#45 [2]6[#42] [5#42]7
67[2]5 67[#42] 7[25#43]
(7)3#45 [2]#4[#42] [5#42]7
67[2]5 67[#42] [#45#43]
67[2]5 67[#42] [56]
[5#42]6 7--7#6 [2#1 3#2]
7---#4---
