1: (1 4 16)

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

2: (0 6 2)

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

3: (4 20 14)

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

4: (13 17 15)

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