D33132233221323331323331323212331313132313232233132333132313111323111   >>    D3313223322132333132333132321233131313231323223313233313231311132311   <<    D33132233221323331323331323212331313132313232233132333132313111323113   >>      D33132233221323331323331323212331313132313232233132333132313111323112   >>