1: (4 5 20)

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

2: (4 7 10)

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

3: (0 12 9)

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

4: (6 14 8)

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