D121213233313223313132322231323132313331323132233132313233232223331   >>    D12121323331322331313232223132313231333132313223313231323323222333   <<    D121213233313223313132322231323132313331323132233132313233232223333   >>      D121213233313223313132322231323132313331323132233132313233232223332   >>