D33132211231323132313232332313232233132313232213331323331323133112312121   >>    D3313221123132313231323233231323223313231323221333132333132313311231212   <<    D33132211231323132313232332313232233132313232213331323331323133112312123   >>      D33132211231323132313232332313232233132313232213331323331323133112312122   >>