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

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

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

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

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