C312322331333132212111133133313331333133312121111331333131113331323233213311221   >>    C31232233133313221211113313331333133313331212111133133313111333132323321331122   <<    C312322331333132212111133133313331333133312121111331333131113331323233213311223   >>      C312322331333132212111133133313331333133312121111331333131113331323233213311222   >>