C13223313311212111133133313331333133313123133313231333112331322123121   >>    C1322331331121211113313331333133313331312313331323133311233132212312   <<    C13223313311212111133133313331333133313123133313231333112331322123123   >>      C13223313311212111133133313331333133313123133313231333112331322123122   >>