1: (4 12 17)

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

2: (6 18 15)

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

3: (4 12 17)

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

4: (8 16 14)

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