D3312121211331322331313232233132333132333132233132313331333132212113311   >>    D331212121133132233131323223313233313233313223313231333133313221211331   <<    D3312121211331322331313232233132333132333132233132313331333132212113313   >>      D3312121211331322331313232233132333132333132233132313331333132212113312   >>