C312322331333132212111133133313331323133313221211111211111311233313222311   >>    C31232233133313221211113313331333132313331322121111121111131123331322231   <<    C312322331333132212111133133313331323133313221211111211111311233313222313   >>      C312322331333132212111133133313331323133313221211111211111311233313222312   >>