D1212121212131323331312323132322331313232233132313223313233313231333131133321   >>    D121212121213132333131232313232233131323223313231322331323331323133313113332   <<    D1212121212131323331312323132322331313232233132313223313233313231333131133323   >>      D1212121212131323331312323132322331313232233132313223313233313231333131133322   >>