C312322331333132212111133131133133313331333131131312111113212231   >>    C31232233133313221211113313113313331333133313113131211111321223   <<    C312322331333132212111133131133133313331333131131312111113212233   >>      C312322331333132212111133131133133313331333131131312111113212232   >>