1: (3 4 20)

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

2: (1 6 3)

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

3: (0 18 2)

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

4: (1 10 4)

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