1: (0 4 15)

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

2: (2 18 12)

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

3: (4 17 13)

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

4: (12 16 14)

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