1: (2 8 16)

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

2: (7 18 9)

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

3: (2 8 16)

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

4: (14 19 17)

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