1: (4 6 16)

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

2: (3 7 5)

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

3: (6 18 8)

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

4: (15 20 17)

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