1 = C

222#12 2232#1(67)
(6)2#1223 (66)32#1(67) 2#1 233#4#1
#4#4#43#4 2232#1 2(7)
#43#4 2232#1 (67)2#1 2335#4
#4#4#4365#4 #4#4#43675#4

(7)#4 76 #435#4 #432#125#4
(7)#4 7[#1]65#4 6#4#12 (77)2#12#1#1(7)
(7)#4 7[#12]#4 [23#1 2]7
(7)#4 7[#12]#4 [23#1 2]7
#4#476#4#1 25#4

#4#4#4365#4 #4#4#43675#4
(7)#4 76 #435#4 #432#125#4
(7)#4 7[#1]65#4 6#4#12 (77)2#12#1#1(7)
(7)#4 7[#12]#4 [23#1 2]7
(7)#4 7[#12]#4 [23#1 2]7
#4#476#4#1

#4#476#4#1 25#4

4 6 1
5 7 2
6 1 3
5 7 2

1 3 5