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

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

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

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

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