C2221333133313331311233132313331333133313331311233133313311232313233221   >>    C222133313331333131123313231333133313331333131123313331331123231323322   <<    C2221333133313331311233132313331333133313331311233133313311232313233223   >>      C2221333133313331311233132313331333133313331311233133313311232313233222   >>