-#define GFX_ARG_FRAMES 15
-#define GFX_ARG_FRAMES_PER_LINE 16
-#define GFX_ARG_START_FRAME 17
-#define GFX_ARG_DELAY 18
-#define GFX_ARG_ANIM_MODE 19
-#define GFX_ARG_GLOBAL_SYNC 20
-#define GFX_ARG_CRUMBLED_LIKE 21
-#define GFX_ARG_DIGGABLE_LIKE 22
-#define GFX_ARG_BORDER_SIZE 23
-#define GFX_ARG_STEP_OFFSET 24
-#define GFX_ARG_STEP_DELAY 25
-#define GFX_ARG_DIRECTION 26
-#define GFX_ARG_POSITION 27
-#define GFX_ARG_DRAW_XOFFSET 28
-#define GFX_ARG_DRAW_YOFFSET 29
-#define GFX_ARG_DRAW_MASKED 30
-#define GFX_ARG_ANIM_DELAY_FIXED 31
-#define GFX_ARG_ANIM_DELAY_RANDOM 32
-#define GFX_ARG_POST_DELAY_FIXED 33
-#define GFX_ARG_POST_DELAY_RANDOM 34
-#define GFX_ARG_NAME 35
-#define GFX_ARG_SCALE_UP_FACTOR 36
-
-#define NUM_GFX_ARGS 37
+#define GFX_ARG_2ND_SWAP_TILES 15
+#define GFX_ARG_FRAMES 16
+#define GFX_ARG_FRAMES_PER_LINE 17
+#define GFX_ARG_START_FRAME 18
+#define GFX_ARG_DELAY 19
+#define GFX_ARG_ANIM_MODE 20
+#define GFX_ARG_GLOBAL_SYNC 21
+#define GFX_ARG_CRUMBLED_LIKE 22
+#define GFX_ARG_DIGGABLE_LIKE 23
+#define GFX_ARG_BORDER_SIZE 24
+#define GFX_ARG_STEP_OFFSET 25
+#define GFX_ARG_STEP_DELAY 26
+#define GFX_ARG_DIRECTION 27
+#define GFX_ARG_POSITION 28
+#define GFX_ARG_DRAW_XOFFSET 29
+#define GFX_ARG_DRAW_YOFFSET 30
+#define GFX_ARG_DRAW_MASKED 31
+#define GFX_ARG_ANIM_DELAY_FIXED 32
+#define GFX_ARG_ANIM_DELAY_RANDOM 33
+#define GFX_ARG_POST_DELAY_FIXED 34
+#define GFX_ARG_POST_DELAY_RANDOM 35
+#define GFX_ARG_NAME 36
+#define GFX_ARG_SCALE_UP_FACTOR 37
+
+#define NUM_GFX_ARGS 38