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