C2221333133313331311233132313331333133313331323312111111331333133321123231221   >>    C222133313331333131123313231333133313331333132331211111133133313332112323122   <<    C2221333133313331311233132313331333133313331323312111111331333133321123231223   >>      C2221333133313331311233132313331333133313331323312111111331333133321123231222   >>