1: (1 5 12)

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

2: (5 14 20)

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

3: (0 18 2)

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

4: (6 15 13)

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