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

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

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

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

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