D121213233313223313132322231323132313331323132233132322331322113221   >>    D12121323331322331313232223132313231333132313223313232233132211322   <<    D121213233313223313132322231323132313331323132233132322331322113223   >>      D121213233313223313132322231323132313331323132233132322331322113222   >>