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

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

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

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

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