D3312121211331322331313232233132333132333132233132313232211112331   >>    D331212121133132233131323223313233313233313223313231323221111233   <<    D3312121211331322331313232233132333132333132233132313232211112333   >>      D3312121211331322331313232233132333132333132233132313232211112332   >>