1: (2 5 15)

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

2: (0 7 3)

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

3: (2 5 15)

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

4: (4 11 6)

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