How should i rearrange my room?

when you enter there is a bed on the way right and a puzzle poster on top of the bed hanging then on the way left on the inside is a flat desk and from the door if you go to your left by the desk is a big bookshelf like a 3 square in the middle a on the sides are 5squares on each side on the desk i have a laptop on the middle,a printer on the left,2 pencil bases on the right,and a purple storage box and has 3 drawers on the bed i have a pillow,medium size frog,ipod cousin then on my huge bookshelf on the right the top square i have nothing, 2 square i have clarinet and oboe books and things,3 square i have trophies,bottle of cranes,a mini white dog,4square is copy paper,5 square is my clarinet and oboe and next to the 2 square is a long square in the middle and has a earth ball on on top of it is a small square and has ipod Stereo and on top has a long square and has clone and balancing , and on the other side on the 1 square is nothing,2th square has nothing,3th square has comic books like bleach death note and one piece,3square has books like ink heart and 7th grade-high school books and i have about 13 books 4th square i have harry potter books 1-7. and on the 5th square i have nat geo books,origami book,and year books and on the floor has a white rug and for the desk i have a brown chair,a squarechair that you could put things inside,and a trash can unde the desk and i have a closet and has clothes and 2 storage boxes that r blue and red and a i have a file box and how should i arrange my room and make it kool and what things should i throw away , iam 13 and a guy