C31232233133313221211113313331333132313331322121111331322333132212131   >>    C3123223313331322121111331333133313231333132212111133132233313221213   <<    C31232233133313221211113313331333132313331322121111331322333132212133   >>      C31232233133313221211113313331333132313331322121111331322333132212132   >>