D13133313221323331323331313113313231333132311233132233132212311   >>    D1313331322132333132333131311331323133313231123313223313221231   <<    D13133313221323331323331313113313231333132311233132233132212313   >>      D13133313221323331323331313113313231333132311233132233132212312   >>