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

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

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

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

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