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

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

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

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

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