D3313221123132313231323233231313231313331323223313232211221123232211   >>    D331322112313231323132323323131323131333132322331323221122112323221   <<    D3313221123132313231323233231313231313331323223313232211221123232213   >>      D3313221123132313231323233231313231313331323223313232211221123232212   >>