D1313331322132333132333132312312323331323223313113313231323132112323231   >>    D131333132213233313233313231231232333132322331311331323132313211232323   <<    D1313331322132333132333132312312323331323223313113313231323132112323233   >>      D1313331322132333132333132312312323331323223313113313231323132112323232   >>