C312322331333132212111133133313113313331331121111332112313233231   >>    C31232233133313221211113313331311331333133112111133211231323323   <<    C312322331333132212111133133313113313331331121111332112313233233   >>      C312322331333132212111133133313113313331331121111332112313233232   >>