#!/bin/bash 

IM=imin
JM=jmin
inpes=inpesin
jnpes=jnpesin
mype=0
let inpesm1=$inpes-1
Linpes=${inpesm1}
Total=`expr "$inpes * $jnpes"|bc -l`
LastLineMype=`expr "${Total} - 1"|bc -l`
FirstLineMype=`expr "${LastLineMype} - $inpesm1"|bc -l`
int=1

while ((${FirstLineMype}>=0)) ; do
for i in $( seq ${FirstLineMype} ${int} ${LastLineMype} ); do printf "%03d\t" "$i";done; printf "\n"
 let LastLineMype=${FirstLineMype}-1
 let FirstLineMype=${FirstLineMype}-${inpes}
done
printf "\n"
exit
JTAIL=`expr "${jnpes} * ( $JM % ${jnpes})"|bc -l`
echo ${JTAIL}
ITAIL=`expr "${inpes} * ( $IM % ${inpes})"|bc -l`
echo ${ITAIL}

exit

    IPE = 0
    MY_JS_CALC = 1
    JNCHUNKS = 0
!
    DO J=1,JNPES
        JCHUNK_CALC = JCHUNK
!
        IF (J <= JTAIL) JCHUNK_CALC = JCHUNK + 1
        JNCHUNKS   = JNCHUNKS + JCHUNK_CALC
        MY_JE_CALC = JNCHUNKS
        MY_IS_CALC = 1
        NCHUNKS    = 0
!
        DO I=1,INPES
            ICHUNK_CALC = ICHUNK
!
            IF (I <= ITAIL) ICHUNK_CALC = ICHUNK + 1
            NCHUNKS    = NCHUNKS + ICHUNK_CALC
            MY_IE_CALC = NCHUNKS
!
            IF (MYPE == IPE) THEN
                MY_IS_GLB = MY_IS_CALC
                MY_IE_GLB = MY_IE_CALC
                MY_JS_GLB = MY_JS_CALC
                MY_JE_GLB = MY_JE_CALC
            END IF
!
            MY_IS_CALC = MY_IE_CALC + 1
           IPE = IPE + 1
 !
        END DO
!
        MY_JS_CALC = MY_JE_CALC + 1
!
    END DO