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

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

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

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

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