1: (1 4 7)

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

2: (5 7 18)

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

3: (0 16 2)

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

4: (14 19 17)

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