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