(0 17 15)(1 21 19)(2 16 14 9 7)(3 13 11 8 4)(5 10 6)(12 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 3 13)

(0 11 8 4 3 17 15)(1 21 19)(2 16 14 9 7)(5 10 6)(12 20 18)(13)
2: (2 16 7)

(0 11 8 4 3 17 15)(1 21 19)(2)(5 10 6)(7 14 9)(12 20 18)(13)(16)
3: (8 17 15)

(0 11 8)(1 21 19)(2)(3 17 4)(5 10 6)(7 14 9)(12 20 18)(13)(15)(16)
4: (7 14 9)

(0 11 8)(1 21 19)(2)(3 17 4)(5 10 6)(7)(9)(12 20 18)(13)(14)(15)(16)