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