1: (0 6 15)

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

2: (2 18 14)

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

3: (1 7 5)

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

4: (10 19 15)

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