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

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

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

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

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