1: (3 6 12)

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

2: (0 7 5)

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

3: (6 16 10)

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

4: (2 9 4)

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