diff --git a/src/states/linear/system_ball.rs b/src/states/linear/system_ball.rs
index 24866bf..f4e9d92 100644
--- a/src/states/linear/system_ball.rs
+++ b/src/states/linear/system_ball.rs
@@ -129,7 +129,7 @@ pub fn count_matching_balls(
         }
 
         // то же самое для правого
-        for ri in hit_index..=balls_sorted.len() {
+        for ri in hit_index..balls_sorted.len() {
             if balls_sorted[ri].1.ball_type == hit_ball_type {
                 right_threshold = ri;
                 continue;