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

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

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

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

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