1: (0 10 17)

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

2: (7 18 15)

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

3: (0 10 17)

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

4: (4 19 16)

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