1: (1 5 10)

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

2: (4 17 9)

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

3: (2 20 10)

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

4: (8 18 16)

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