1: (2 6 16)

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

2: (1 9 3)

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

3: (0 7 5)

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

4: (6 17 8)

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