1: (3 4 16)

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

2: (4 8 13)

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

3: (7 14 9)

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

4: (3 13 6)

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