C22212323232133313113313331333133313231323133311232332132111311   >>    C2221232323213331311331333133313331323132313331123233213211131   <<    C22212323232133313113313331333133313231323133311232332132111313   >>      C22212323232133313113313331333133313231323133311232332132111312   >>