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

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

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

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

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