1: (2 5 15)

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

2: (0 6 4)

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

3: (1 18 3)

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

4: (5 16 7)

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