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

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

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

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

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