C312322331333132212111133133313331312111133132313331333112211232331   >>    C31232233133313221211113313331333131211113313231333133311221123233   <<    C312322331333132212111133133313331312111133132313331333112211232333   >>      C312322331333132212111133133313331312111133132313331333112211232332   >>