C2221333133313331311233132313331333133313232123313331323133323323231   >>    C222133313331333131123313231333133313331323212331333132313332332323   <<    C2221333133313331311233132313331333133313232123313331323133323323233   >>      C2221333133313331311233132313331333133313232123313331323133323323232   >>