C2221333133313331311233132313331333133313331323312113313233311232311211   >>    C222133313331333131123313231333133313331333132331211331323331123231121   <<    C2221333133313331311233132313331333133313331323312113313233311232311213   >>      C2221333133313331311233132313331333133313331323312113313233311232311212   >>