D212313331123313132313132313233313232313231333132321133132322331323223331   >>    D21231333112331313231313231323331323231323133313232113313232233132322333   <<    D212313331123313132313132313233313232313231333132321133132322331323223333   >>      D212313331123313132313132313233313232313231333132321133132322331323223332   >>