1: (1 5 10)

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

2: (0 8 2)

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

3: (1 5 10)

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

4: (7 12 9)

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