D121213233313223313132322231323132313233313331323221323132313231111   >>    D12121323331322331313232223132313231323331333132322132313231323111   <<    D121213233313223313132322231323132313233313331323221323132313231113   >>      D121213233313223313132322231323132313233313331323221323132313231112   >>