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

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

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

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

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