1: (4 7 10)

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

2: (6 15 8)

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

3: (3 11 9)

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

4: (5 12 10)

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