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

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

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

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

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