D12121323331313331313232112323132333132323323331313331323132322333231   >>    D1212132333131333131323211232313233313232332333131333132313232233323   <<    D12121323331313331313232112323132333132323323331313331323132322333233   >>      D12121323331313331313232112323132333132323323331313331323132322333232   >>