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

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

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

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

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