diff --git a/snapshot_files/left/double-check.json b/snapshot_files/left/double-check.json
new file mode 100644
index 0000000..adcb226
--- /dev/null
+++ b/snapshot_files/left/double-check.json
@@ -0,0 +1 @@
+[[1,1,0,0,1,1,0,0,1],[1,1,0,0,1,1,0,0,1],[0,0,1,1,0,0,1,1,0],[0,0,1,1,0,0,1,1,0],[1,1,0,0,1,1,0,0,1],[1,1,0,0,1,1,0,0,1],[0,0,1,1,0,0,1,1,0],[0,0,1,1,0,0,1,1,0],[1,1,0,0,1,1,0,0,1],[1,1,0,0,1,1,0,0,1],[0,0,1,1,0,0,1,1,0],[0,0,1,1,0,0,1,1,0],[1,1,0,0,1,1,0,0,1],[1,1,0,0,1,1,0,0,1],[0,0,1,1,0,0,1,1,0],[0,0,1,1,0,0,1,1,0],[1,1,0,0,1,1,0,0,1],[1,1,0,0,1,1,0,0,1],[0,0,1,1,0,0,1,1,0],[0,0,1,1,0,0,1,1,0],[1,1,0,0,1,1,0,0,1],[1,1,0,0,1,1,0,0,1],[0,0,1,1,0,0,1,1,0],[0,0,1,1,0,0,1,1,0],[1,1,0,0,1,1,0,0,1],[1,1,0,0,1,1,0,0,1],[0,0,1,1,0,0,1,1,0],[0,0,1,1,0,0,1,1,0],[1,1,0,0,1,1,0,0,1],[1,1,0,0,1,1,0,0,1],[0,0,1,1,0,0,1,1,0],[0,0,1,1,0,0,1,1,0],[1,1,0,0,1,1,0,0,1],[1,1,0,0,1,1,0,0,1]]
\ No newline at end of file
diff --git a/snapshot_files/left/left-snap.json b/snapshot_files/left/left-snap.json
deleted file mode 100644
index 94617eb..0000000
--- a/snapshot_files/left/left-snap.json
+++ /dev/null
@@ -1 +0,0 @@
-[[0,0,0,1,0,0,0,1,0],[0,0,0,1,0,0,1,0,1],[0,0,0,1,0,0,1,1,1],[0,0,0,1,0,0,1,0,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,1,1,1],[0,0,0,0,0,0,0,1,0],[0,0,0,0,0,0,0,1,0],[0,0,0,0,0,0,0,1,0],[0,0,0,0,0,0,0,1,0],[0,0,0,0,0,0,0,0,0],[0,0,0,0,1,0,0,0,1],[0,0,0,0,1,0,0,0,1],[0,0,0,0,1,0,1,0,1],[0,0,0,0,1,1,1,1,1],[0,0,0,0,1,1,0,1,1],[0,0,0,0,0,0,0,0,0],[1,1,1,1,0,0,1,0,1],[0,1,0,0,0,0,1,0,1],[0,1,0,1,1,0,1,0,1],[0,1,0,1,0,0,1,0,1],[0,1,0,1,0,0,0,1,0],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,1,1,1],[0,0,0,1,0,0,0,1,0],[0,0,1,1,1,0,0,1,0],[0,0,0,1,0,0,0,1,0],[0,0,0,0,0,0,0,1,0],[0,0,0,0,0,0,0,0,0],[1,0,0,0,1,0,1,1,1],[1,0,0,0,1,0,1,0,0],[1,0,0,0,1,0,1,1,0],[1,0,0,0,1,0,1,0,0],[1,1,1,0,1,0,1,0,0]]
\ No newline at end of file
diff --git a/snapshot_files/right/every-third-row.json b/snapshot_files/right/every-third-row.json
new file mode 100644
index 0000000..e34fbad
--- /dev/null
+++ b/snapshot_files/right/every-third-row.json
@@ -0,0 +1 @@
+[[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1]]
\ No newline at end of file
diff --git a/snapshot_files/right/right-snap.json b/snapshot_files/right/right-snap.json
deleted file mode 100644
index f7a3ad7..0000000
--- a/snapshot_files/right/right-snap.json
+++ /dev/null
@@ -1 +0,0 @@
-[[1,1,0,1,1,0,0,0,0],[1,1,1,1,1,0,0,0,0],[1,0,1,0,1,0,0,0,0],[1,0,0,0,1,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,0,1,0,1,1,1,0,0],[1,0,1,0,1,0,0,0,0],[1,1,1,0,1,1,0,0,0],[1,0,1,0,1,0,0,0,0],[1,0,1,0,1,1,1,0,0],[0,0,0,0,0,0,0,0,0],[0,1,0,0,1,0,1,0,0],[1,0,1,0,1,0,1,0,0],[1,1,1,0,0,1,0,0,0],[1,0,1,0,0,1,0,0,0],[1,0,1,0,0,1,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,0,1,0,1,0,0],[0,1,0,0,1,0,1,0,0],[0,1,0,0,1,1,1,0,0],[0,1,0,0,1,0,1,0,0],[0,1,0,0,1,0,1,0,0],[0,0,0,0,0,0,0,0,0],[1,0,1,0,1,1,1,0,0],[1,0,1,0,1,0,0,0,0],[1,1,1,0,1,1,0,0,0],[1,0,1,0,1,0,0,0,0],[1,0,1,0,1,1,1,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,0,0,0,0,0,0],[1,0,0,0,0,0,0,0,0],[1,1,0,0,0,0,0,0,0],[1,0,0,0,0,0,0,0,0],[1,1,1,0,0,0,0,0,0]]
\ No newline at end of file