\coordinate (action-1) at (1,0);
\coordinate (action-2) at (2,0);
\coordinate (action-3) at (23,0);
\coordinate (action-4) at (76,0);
\coordinate (action-5) at (138,0);
\coordinate (action-6) at (201,0);
\coordinate (action-7) at (264,0);
\coordinate (action-8) at (327,0);
\coordinate (action-9) at (390,0);
\coordinate (action-10) at (453,0);
\coordinate (action-11) at (515,0);
\coordinate (action-12) at (578,0);
\coordinate (action-13) at (641,0);
\coordinate (action-14) at (704,0);
\coordinate (action-15) at (767,0);
\coordinate (action-16) at (829,0);
\coordinate (action-17) at (892,0);
\coordinate (action-18) at (955,0);
