1: (1 5 7)

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

2: (7 10 15)

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

3: (9 16 11)

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

4: (5 15 8)

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