1: (1 4 15)

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

2: (2 20 11)

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

3: (3 17 5)

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

4: (0 15 9)

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