C2221333133313331311233132313331333133313331311233132313121323221   >>    C222133313331333131123313231333133313331333131123313231312132322   <<    C2221333133313331311233132313331333133313331311233132313121323223   >>      C2221333133313331311233132313331333133313331311233132313121323222   >>