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

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

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

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

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