1: (1 6 11)

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

2: (0 8 3)

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

3: (1 6 11)

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

4: (5 10 7)

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