trading levels

oil 10-6-10
trading levels lows 69,6 highs 76,5
R3 75,9
R2 75,25
R1 74,7
N VALUE 73,8
S1 72,4
S2 71,5
S3 70,7

This is today's levels that I use

sell as close to the highest level that is possible
buy as close to the lowest level that is possible
and sometimes it gets a little trade between levels if it feels right for the moment