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