1: (1 6 9)

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

2: (6 15 19)

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

3: (0 18 4)

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

4: (2 16 14)

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