D3312121211331322331313232233132333132333132233132333132313331231   >>    D331212121133132233131323223313233313233313223313233313231333123   <<    D3312121211331322331313232233132333132333132233132333132313331233   >>      D3312121211331322331313232233132333132333132233132333132313331232   >>