temp  conc  x1 x2 y 
200 15 -1 -1 43 
250 15 1 -1 78 
200 25 -1 1 69 
250 25 1 1 73 
189.65 20 -1.414214 0 48 
260.35 20 1.414214 0 78
225 12.93 0 -1.414214 65
225 27.07 0 1.414214 74
225 20 0 0 76
225 20 0 0 79
225 20 0 0 83
225 20 0 0 81