1: (3 5 15)

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

2: (1 7 4)

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

3: (0 12 2)

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

4: (5 16 8)

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