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