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

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

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

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

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