1: (4 7 16)

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

2: (3 8 5)

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

3: (7 20 11)

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

4: (6 12 9)

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