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

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

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

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

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