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

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

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

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

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