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

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

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

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

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