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

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

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

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

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