C312322331333132212111133133313113313331311312233121111112113121   >>    C31232233133313221211113313331311331333131131223312111111211312   <<    C312322331333132212111133133313113313331311312233121111112113123   >>      C312322331333132212111133133313113313331311312233121111112113122   >>