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

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

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

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

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