(0 7 3)(1 18 9)(2 20 16)(4 11 8)(5 19 17)(6 14 13)(10 15 12)
ALLOWS (11/8)-SEQUENCE
1: (1 9 18)

(0 7 3)(1 9 18)(2 20 16)(4 11 8)(5 19 17)(6 14 13)(10 15 12)
2: (5 19 17)

(0 7 3)(1 9 18)(2 20 16)(4 11 8)(5)(6 14 13)(10 15 12)(17)(19)
3: (1 9 18)

(0 7 3)(1)(2 20 16)(4 11 8)(5)(6 14 13)(9)(10 15 12)(17)(18)(19)
4: (2 20 16)

(0 7 3)(1)(2)(4 11 8)(5)(6 14 13)(9)(10 15 12)(16)(17)(18)(19)(20)