D33131231211132322233231323132313232213231323223313223313231333132312121111   >>    D3313123121113232223323132313231323221323132322331322331323133313231212111   <<    D33131231211132322233231323132313232213231323223313223313231333132312121113   >>      D33131231211132322233231323132313232213231323223313223313231333132312121112   >>