1: (2 5 13)

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

2: (5 7 11)

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

3: (6 14 8)

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

4: (10 16 12)

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