1: (6 10 15)

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

2: (15 17 20)

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

3: (1 18 16)

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

4: (0 19 9)

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