1: (5 9 15)

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

2: (4 10 8)

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

3: (0 11 9)

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

4: (7 16 14)

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