D1313331322132333132333132312312323331323223313113313233313233313223313132331   >>    D131333132213233313233313231231232333132322331311331323331323331322331313233   <<    D1313331322132333132333132312312323331323223313113313233313233313223313132333   >>      D1313331322132333132333132312312323331323223313113313233313233313223313132332   >>