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

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

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

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

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