1: (1 4 8)

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

2: (3 13 7)

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

3: (2 20 5)

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

4: (1 6 10)

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