1: (4 5 20)

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

2: (1 6 4)

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

3: (0 18 2)

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

4: (1 14 5)

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