C2221333133313331311233132313331333133313331323121111113212323221   >>    C222133313331333131123313231333133313331333132312111111321232322   <<    C2221333133313331311233132313331333133313331323121111113212323223   >>      C2221333133313331311233132313331333133313331323121111113212323222   >>