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