C2221333133313331311233132313331333133313331311233132313331333233232321131221   >>    C222133313331333131123313231333133313331333131123313231333133323323232113122   <<    C2221333133313331311233132313331333133313331311233132313331333233232321131223   >>      C2221333133313331311233132313331333133313331311233132313331333233232321131222   >>