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

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

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

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

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