Lady Kitty Escape Walkthrough

Find the diamond stones on the mirror and credenza.
Put stones on green wall safes which will reveal two puzzles. The left one is to arrange chicks in color order. Order comes from umbrella.
Right one shows different size mice. Size order is on coffee table--a little tricky on this one.
Solving puzzles gives two numbers. Enter numbers on blue wall safe next to mirror and get key.
Use key on drawer at bottom of credenza. Get collar with bell. Remove bell and put on cat on sofa and get exit door key.