1: (0 4 18)

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

2: (1 20 12)

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

3: (0 4 18)

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

4: (2 17 5)

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