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

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

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

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

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