1: (1 2 20)

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

2: (1 5 9)

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

3: (4 14 6)

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

4: (3 18 7)

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