D33121212113313223313132322331323331323331322331323331323211232221   >>    D3312121211331322331313232233132333132333132233132333132321123222   <<    D33121212113313223313132322331323331323331322331323331323211232223   >>      D33121212113313223313132322331323331323331322331323331323211232222   >>