1: (4 9 15)

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

2: (8 17 10)

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

3: (4 9 15)

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

4: (13 18 16)

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