1: (0 1 15)

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

2: (1 7 9)

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

3: (6 11 8)

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

4: (0 9 2)

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