D112221121133131333132322112331323331323132311211331323331322331121   >>    D11222112113313133313232211233132333132313231121133132333132233112   <<    D112221121133131333132322112331323331323132311211331323331322331123   >>      D112221121133131333132322112331323331323132311211331323331322331122   >>