1: (0 7 16)

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

2: (6 17 8)

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

3: (0 7 16)

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

4: (1 20 11)

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