D121213233313223313132322231323132333132313133313223313231312312321   >>    D12121323331322331313232223132313233313231313331322331323131231232   <<    D121213233313223313132322231323132333132313133313223313231312312323   >>      D121213233313223313132322231323132333132313133313223313231312312322   >>