1: (2 6 12)

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

2: (1 8 4)

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

3: (0 9 7)

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

4: (6 16 10)

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