D3312121211331313331323221123313232213331323133313133313232323331   >>    D331212121133131333132322112331323221333132313331313331323232333   <<    D3312121211331313331323221123313232213331323133313133313232323333   >>      D3312121211331313331323221123313232213331323133313133313232323332   >>