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

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

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

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

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