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

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

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

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

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