1: (4 7 17)

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

2: (1 15 5)

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

3: (3 8 6)

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

4: (7 18 9)

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