1: (7 11 15)

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

2: (4 12 9)

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

3: (7 11 15)

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

4: (0 8 6)

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