1: (3 6 13)

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

2: (1 7 5)

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

3: (6 16 8)

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

4: (2 17 15)

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