1: (4 8 16)

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

2: (3 10 6)

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

3: (4 8 16)

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

4: (7 15 9)

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