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

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

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

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

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