The two women etude is divided into balancing speed and combination categories.

The two girls performed movements of highest technique in combination, thus overriding their rivals in total points of two categories. Their movements were what others dare not perform, as they are very difficult to do.

Experts said Jong Kum Hwa had strength enough to support her partner Kim Hye Song for more than 2 minutes and 30 seconds.

Supported by her, Kim could perform all high-level techniques, including the two rounds of somersault.

Their coach Kang Kum Hwa told KCNA:

"It was the first time for both Jong and Kim to take part in the international game.

Now they are working hard to take world's title."