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