D1313331322132333132333132312312323331323223313113313231323211232323331   >>    D131333132213233313233313231231232333132322331311331323132321123232333   <<    D1313331322132333132333132312312323331323223313113313231323211232323333   >>      D1313331322132333132333132312312323331323223313113313231323211232323332   >>