C2221333133313331311233132313331333133313331323312111113311232312323221   >>    C222133313331333131123313231333133313331333132331211111331123231232322   <<    C2221333133313331311233132313331333133313331323312111113311232312323223   >>      C2221333133313331311233132313331333133313331323312111113311232312323222   >>