C13223313311212111133133313331323133313331323131133131133133313331123313223121   >>    C1322331331121211113313331333132313331333132313113313113313331333112331322312   <<    C13223313311212111133133313331323133313331323131133131133133313331123313223123   >>      C13223313311212111133133313331323133313331323131133131133133313331123313223122   >>