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

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

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

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

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