1: (2 3 18)

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

2: (0 8 2)

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

3: (1 20 16)

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

4: (0 10 3)

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