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

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

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

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

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