1: (1 10 12)

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

2: (7 15 11)

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

3: (6 20 8)

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

4: (10 16 13)

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