D3312121211331322331313232233132333132333132233132313232211211121   >>    D331212121133132233131323223313233313233313223313231323221121112   <<    D3312121211331322331313232233132333132333132233132313232211211123   >>      D3312121211331322331313232233132333132333132233132313232211211122   >>