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