C312322331333132212111133133313113313331333133313231333112123221   >>    C31232233133313221211113313331311331333133313331323133311212322   <<    C312322331333132212111133133313113313331333133313231333112123223   >>      C312322331333132212111133133313113313331333133313231333112123222   >>