D23312331311331313231323223313232113313113313233231333132313231322131   >>    D2331233131133131323132322331323211331311331323323133313231323132213   <<    D23312331311331313231323223313232113313113313233231333132313231322133   >>      D23312331311331313231323223313232113313113313233231333132313231322132   >>