diff --git a/src/cairo-tor22-scan-converter.c b/src/cairo-tor22-scan-converter.c
index 4cec5ee..20f5ef4 100644
--- a/src/cairo-tor22-scan-converter.c
+++ b/src/cairo-tor22-scan-converter.c
@@ -1292,6 +1292,7 @@ glitter_scan_converter_reset(
     converter->ymin = 0; converter->ymax = 0;
 
     if (xmax - xmin > ARRAY_LENGTH(converter->spans_embedded)) {
+	printf("converter->spans allocated array of size %d\n", xmax-xmin);
 	converter->spans = _cairo_malloc_ab (xmax - xmin,
 					     sizeof (cairo_half_open_span_t));
 	if (unlikely (converter->spans == NULL))
@@ -1438,11 +1439,13 @@ blit_a8 (struct cell_list *cells,
     }
 
     if (prev_x <= xmax && cover != last_cover) {
+	printf("Using index %d\n", num_spans);
 	spans[num_spans].x = prev_x;
 	spans[num_spans].coverage = GRID_AREA_TO_ALPHA (cover);
 	last_cover = cover;
 	last_x = prev_x;
 	++num_spans;
+	puts("index used");
     }
 
     if (last_x < xmax && last_cover) {