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

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

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

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

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