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

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

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

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

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