C31232233133313221211113313331333131211113313231333132213232223132311   >>    C3123223313331322121111331333133313121111331323133313221323222313231   <<    C31232233133313221211113313331333131211113313231333132213232223132313   >>      C31232233133313221211113313331333131211113313231333132213232223132312   >>