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

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

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

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

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