How many flats are there between C’s flat and person who likes Grey?

F lives on even numbered floor in an even numbered flat. (so, must live on floor numbered 2 in flat no 2). I lives immediately below F. Both D and I live in even numbered flats. Persons who like Black, Grey and Yellow lives on even numbered floor. (i.e. floor numbered 2) Person who like Blue, Red and White live on odd numbered floor in odd numbered flat. Person who like Blue and White live on same floor. Person who likes Red lives immediately below the one who likes black and he lives in either flat numbered 1 or flat numbered 2. Person who likes orange lives in even numbered flat. Person who likes White and purple lives in same numbered flat. One who likes Grey lives immediately below the one who likes brown. After filling the remaining data, we get: