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