1: (1 4 20)

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

2: (1 14 17)

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

3: (9 18 16)

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

4: (4 19 17)

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