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

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

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

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

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