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

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

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

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

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