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