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

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

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

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

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