numbers ∕ four-digit numbers 12xxtable of four-digit numbers (digits) ⫽ 1200 ― 129912x012x112x212x312x412x512x612x712x812x91200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299
@ifckr.v.0.