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

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

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

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

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