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