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

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

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

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

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