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