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

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

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

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

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