The method 1, wherein said x dimension comprises {HEAD ~ a range} of 400 to 600 samples and said {TAIL ~ y dimension} comprises a range of 600 to 1000 samples 
The method 1 , wherein said x dimension comprises { HEAD ~ a range } of 400 to 600 samples and said { TAIL ~ y dimension } comprises a range of 600 to 1000 samples
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH