C312322331333132212111133133313331323133313233313331333131133132212231   >>    C31232233133313221211113313331333132313331323331333133313113313221223   <<    C312322331333132212111133133313331323133313233313331333131133132212233   >>      C312322331333132212111133133313331323133313233313331333131133132212232   >>