C31232233133313221211113313331333131211113313231333132322333121212311   >>    C3123223313331322121111331333133313121111331323133313232233312121231   <<    C31232233133313221211113313331333131211113313231333132322333121212313   >>      C31232233133313221211113313331333131211113313231333132322333121212312   >>