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

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

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

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

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