1: (1 5 8)

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

2: (4 12 6)

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

3: (3 20 8)

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

4: (0 19 2)

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