gocr/gocr-0.52/examples

 cs=GrayLevel=90..104..120  should work
 cs=104: 84 boxes = 53 chars + 20 holes + 3 miniholes + 4 dots_above + 4 dust
 1 white pixel

<text>
 This  is  a handwritten
 example  for  GOCR.
 Write  as good as  you can.
</text>
Name		Date	Size	#Lines	LOC
..		03-May-2022	-
.#Makefile.1.22	H A D	11-May-2005	4.6 KiB	167	127
Makefile	H A D	30-Sep-2018	6.4 KiB	202	108
color.fig	H A D	23-May-2005	660	21	20
ex.fig	H A D	23-May-2005	624	17	16
font.tex	H A D	13-Nov-2000	652	23	22
font1.tex	H A D	23-Sep-2000	2 KiB	47	44
font2.fig	H A D	24-Jan-2002	1.6 KiB	28	27
font_nw.tex	H A D	06-Sep-2001	733	25	24
handwrt1.readme	H A D	05-Aug-2010	225	11	8
inverse.fig	H A D	07-Jan-2004	660	21	20
polish.tex	H A D	11-Dec-2000	547	29	24
rnd80.sh	H A D	15-Oct-2018	1.2 KiB	30	17
rotate45.fig	H A D	25-Jan-2006	317	15	14
text.tex	H A D	23-Sep-2000	1.1 KiB	29	26