1: (1 6 15)

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

2: (0 7 2)

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

3: (6 18 8)

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

4: (13 19 16)

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