1: (1 4 8)

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

2: (3 11 5)

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

3: (0 9 2)

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

4: (4 20 7)

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