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

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

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

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

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