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

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

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

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

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