1: (2 8 12)

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

2: (4 16 9)

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

3: (0 5 3)

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

4: (2 20 6)

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