C31232233133313221211113313331333132313331322121111331313331322333132323213231   >>    C3123223313331322121111331333133313231333132212111133131333132233313232321323   <<    C31232233133313221211113313331333132313331322121111331313331322333132323213233   >>      C31232233133313221211113313331333132313331322121111331313331322333132323213232   >>