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

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

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

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

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