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

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

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

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

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