trading levels

oil 16-6-10
trading levels lows 73,7 highs 78,8
R3 78
R2 77,1 77,25
R1 76,6 76,7
N VALUE 76,1
S1 75,6
S2 75,2
S3 74,7

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