1: (6 11 16)

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

2: (4 12 9)

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

3: (6 11 16)

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

4: (0 7 5)

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