1: (7 12 16)

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

2: (11 20 13)

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

3: (7 12 16)

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

4: (10 18 15)

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