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

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

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

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

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