C312322331333132212111133133313331323133313221211111211331311332322311   >>    C31232233133313221211113313331333132313331322121111121133131133232231   <<    C312322331333132212111133133313331323133313221211111211331311332322313   >>      C312322331333132212111133133313331323133313221211111211331311332322312   >>