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

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

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

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

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