C312322331333132212111133131133133313331333131131312111133233121   >>    C31232233133313221211113313113313331333133313113131211113323312   <<    C312322331333132212111133131133133313331333131131312111133233123   >>      C312322331333132212111133131133133313331333131131312111133233122   >>