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

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

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

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

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