1: (2 4 7)

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

2: (6 7 9)

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

3: (0 5 3)

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

4: (4 11 7)

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