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