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

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

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

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

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