1: (2 4 12)

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

2: (1 5 3)

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

3: (0 10 4)

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

4: (6 15 11)

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