1: (1 5 11)

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

2: (0 7 3)

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

3: (1 5 11)

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

4: (4 10 6)

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