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