\begin{overpic}[width=0.49\textwidth]{ys_ol_cbk1a_1878_1882}
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%%(\subref{ys_ol_cbk1a_1878_1882}) \href{ys_ol_cbk1a_1878_1882}
\color{red}
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\put(79.2,19.5){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161004192501-339284}{spot of ys_ol_cbk1a@1882}} % 20161004192501-339284 % \vs(-3104.3, -4891.4)
\put(58.3,42.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161004192459-150563}{spot of ys_ol_cbk1a@1880}} % 20161004192459-150563 % \vs(-3162.5, -4767.9)
\put(63.7,22.2){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161004192500-060102}{spot of ys_ol_cbk1a@1881}} % 20161004192500-060102 % \vs(-3159.2, -4862.9)
\put(46.1,57.8){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161004192458-397190}{spot of ys_ol_cbk1a@1879}} % 20161004192458-397190 % \vs(-3195.0, -4688.0)
\put(79.0,49.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-854632}{spot of ys_ol_CBK1a@118}} % 20190226120848-854632 % \vs(-3080.7, -4759.9)
\put(73.6,31.1){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-963908}{spot of ys_ol_CBK1a@119}} % 20190226120848-963908 % \vs(-3115.6, -4834.6)
\put(35.0,45.7){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-309014}{spot of ys_ol_CBK1a@113}} % 20190226120848-309014 % \vs(-3245.4, -4728.9)
\put(20.2,42.5){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-137883}{spot of ys_ol_CBK1a@111}} % 20190226120848-137883 % \vs(-3302.3, -4726.6)
\put(52.7,51.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-218530}{spot of ys_ol_CBK1a@115}} % 20190226120848-218530 % \vs(-3175.8, -4722.2)
\put(22.4,30.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120847-984262}{spot of ys_ol_CBK1a@110}} % 20190226120847-984262 % \vs(-3304.2, -4783.9)
\put(14.9,34.4){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120847-623563}{spot of ys_ol_CBK1a@109}} % 20190226120847-623563 % \vs(-3328.2, -4756.5)
\put(25.7,46.4){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-588302}{spot of ys_ol_CBK1a@112}} % 20190226120848-588302 % \vs(-3279.1, -4715.8)
\put(43.4,50.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-798256}{spot of ys_ol_CBK1a@114}} % 20190226120848-798256 % \vs(-3211.0, -4719.4)
\put(60.6,52.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-726031}{spot of ys_ol_CBK1a@116}} % 20190226120848-726031 % \vs(-3145.9, -4726.7)
\put(72.2,53.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-310699}{spot of ys_ol_CBK1a@117}} % 20190226120848-310699 % \vs(-3102.6, -4734.7)
\put(82.3,29.4){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226120848-440431}{spot of ys_ol_CBK1a@120}} % 20190226120848-440431 % \vs(-3085.0, -4851.5)
%%scale 100 micro meter
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\end{overpic}