1: (3 8 15)

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

2: (6 16 14)

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

3: (5 10 7)

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

4: (0 1 8)

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