0.3 			   ! mu: Regularization parameter
0.001			   ! tol: Iteration tolerance; stop when dY/Y>tol for CG
1	                   ! resume: 0-no, 1-yes (choice for new or resume run)
1			   ! sav_res:  0-no, 1-yes (option for saving the middle result for resume run)
1			   ! sav_iter: 0-no, 1-yes (option for saving data and reg. errors for each step)
1 			   ! wt_nr: 0-no, 1-yes (select if weighting factor in regularization is applied)
0 			   ! write_Abuff: 0-no, 1-yes (option for saving matrix A of ray tracings)
1 			   ! read_Abuff: 0-no, 1-yes (if write_Abuff=1, then 0 must be set)
0 			   ! write_Rbuff: 0-no, 1-yes (option for saving matrix R for regularization)
1			   ! read_Rbuff: 0-no, 1-yes (if write_Rbuff=1, then 0 must be set)
'../data/'                   ! directory storing the data
'cobs_coord_cr2098_dbl.txt'  ! file including the positions of observer (satellite)
'pbbk_xr_cr2098.txt'	   ! file including the background pB(r)
'nrbk_xr_cr2098.txt'	   ! file including the background N(r)
28 			   ! number of the rebinned pB images in 128x128 pixels
cr2098_rbimg_sz128_1.dat   
cr2098_rbimg_sz128_2.dat   
cr2098_rbimg_sz128_3.dat
cr2098_rbimg_sz128_4.dat
cr2098_rbimg_sz128_5.dat
cr2098_rbimg_sz128_6.dat
cr2098_rbimg_sz128_7.dat
cr2098_rbimg_sz128_8.dat
cr2098_rbimg_sz128_9.dat
cr2098_rbimg_sz128_10.dat
cr2098_rbimg_sz128_11.dat
cr2098_rbimg_sz128_12.dat
cr2098_rbimg_sz128_13.dat
cr2098_rbimg_sz128_14.dat
cr2098_rbimg_sz128_15.dat
cr2098_rbimg_sz128_16.dat
cr2098_rbimg_sz128_17.dat
cr2098_rbimg_sz128_18.dat
cr2098_rbimg_sz128_19.dat
cr2098_rbimg_sz128_20.dat
cr2098_rbimg_sz128_21.dat
cr2098_rbimg_sz128_22.dat
cr2098_rbimg_sz128_23.dat
cr2098_rbimg_sz128_24.dat
cr2098_rbimg_sz128_25.dat
cr2098_rbimg_sz128_26.dat
cr2098_rbimg_sz128_27.dat
cr2098_rbimg_sz128_28.dat ! filename of the 28th image