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

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

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

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

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