D112221121133131333132322112331323331311221123223313133313232332313131   >>    D11222112113313133313232211233132333131122112322331313331323233231313   <<    D112221121133131333132322112331323331311221123223313133313232332313133   >>      D112221121133131333132322112331323331311221123223313133313232332313132   >>