D1122211211331313331323221123313233313231323112113313232211233131   >>    D112221121133131333132322112331323331323132311211331323221123313   <<    D1122211211331313331323221123313233313231323112113313232211233133   >>      D1122211211331313331323221123313233313231323112113313232211233132   >>