C2221333133313331311233132313331333133313131133131122112323221131   >>    C222133313331333131123313231333133313331313113313112211232322113   <<    C2221333133313331311233132313331333133313131133131122112323221133   >>      C2221333133313331311233132313331333133313131133131122112323221132   >>