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