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

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

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

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

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