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

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

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

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

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