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