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

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

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

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

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