C2221333133313331311233132313331333133313331323112331323231323222321   >>    C222133313331333131123313231333133313331333132311233132323132322232   <<    C2221333133313331311233132313331333133313331323112331323231323222323   >>      C2221333133313331311233132313331333133313331323112331323231323222322   >>