D2122132313112331322132313331323112132313232233132313232112313231   >>    D212213231311233132213231333132311213231323223313231323211231323   <<    D2122132313112331322132313331323112132313232233132313232112313233   >>      D2122132313112331322132313331323112132313232233132313232112313232   >>