1: (1 3 17)

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

2: (0 9 2)

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

3: (1 5 18)

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

4: (4 19 6)

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