1: (3 6 12)

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

2: (2 9 4)

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

3: (0 7 5)

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

4: (6 13 8)

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