D13133313221323331323331313113313233313231322331313231323221211111   >>    D1313331322132333132333131311331323331323132233131323132322121111   <<    D13133313221323331323331313113313233313231322331313231323221211113   >>      D13133313221323331323331313113313233313231322331313231323221211112   >>