1: (2 7 15)

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

2: (1 7 3)

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

3: (6 16 14)

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

4: (3 18 15)

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