D1323112331313331313223313231213231323331323331322331323132211231   >>    D132311233131333131322331323121323132333132333132233132313221123   <<    D1323112331313331313223313231213231323331323331322331323132211233   >>      D1323112331313331313223313231213231323331323331322331323132211232   >>