What is xxo?

Some articles on xxo:

Ariane Friedrich - Competition Record
... Championships Birmingham, United Kingdom 11th (q) 1.87 m (xxo) Universiade Bangkok, Thailand 2nd 1.90 m (o) 2008 European Indoor Cup Moscow, Russia 1st 2.00 m World Indoor Championships Valencia ...
Athletics At The 2008 Summer Olympics – Men's Pole Vault - Results - Final
1 ! Steven Hooker Australia - o - - xxo xxo xxo xxo 5.96 OR 2 ! Yevgeny Lukyanenko Russia - xxo o - o xxo xxx 5.85 3 ! Denys Yurchenko Ukraine xxo xo o 5.70 4 Derek Miles United States o xxo xo - xxx 5.70 ...
Athletics At The 2000 Summer Olympics – Women's Pole Vault - Final
4.65 1 ! Stacy Dragila (USA) - - O O XO O XXO XO O XXX 4.60 m OR 2 ! Tatiana Grigorieva (AUS) - XO O O O O XO O X- XX 4.55 m PB 3 ! Vala Flosadóttir (ISL) O O O O O O O XXX 4.50 m NR 4 Daniela Bártov ...
Athletics At The 2008 Summer Olympics – Men's High Jump - Results - Qualifying Round
2.25 18 B Kyriakos Ioannou Cyprus - xo xo xo xxx 2.25 19 B Michael Mason Canada - o o xxo xxx 2.25 19 B Jesse Williams United States - o o xxo xxx 2.25 21 B Dmytro Demyanyuk Ukraine o o o ...
Athletics At The 2008 Summer Olympics – Men's High Jump - Results - Final
... o o x– o o xxx 2.34 PB 3 ! Yaroslav Rybakov Russia – o o o xxo o xxx 2.34 SB 4 Stefan Holm Sweden – o o o o x– xx 2.32 5 Raúl Spank Germany o o o o xxo xx– x 2.32 PB 6 ...