C22212323232133313113313331333133313231323133311232332111311331   >>    C2221232323213331311331333133313331323132313331123233211131133   <<    C22212323232133313113313331333133313231323133311232332111311333   >>      C22212323232133313113313331333133313231323133311232332111311332   >>