1: (6 11 16)

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

2: (4 12 9)

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

3: (6 11 16)

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

4: (5 20 7)

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