1: (3 6 15)

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

2: (2 11 4)

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

3: (0 7 5)

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

4: (6 16 8)

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