C312322331333132212111133133313113313331311312233121111332212121   >>    C31232233133313221211113313331311331333131131223312111133221212   <<    C312322331333132212111133133313113313331311312233121111332212123   >>      C312322331333132212111133133313113313331311312233121111332212122   >>