A 6-year-old Chinese girl has set a new women’s world record by solving Rubik’s cubes at an average pace of just over four seconds per cube.

Lian Yunzhi first broke the record earlier this month, averaging 4.52 seconds at a World Cube Association-certified competition in Wuhan, a central Chinese city, and later improved to 4.27 seconds at another race in Guangzhou, a southern city, state broadcaster CCTV reported Monday.

She became the only female speedcuber to achieve an average below 4.5 seconds, it said.

The association listed Lian on its website as the record holder for the fastest women’s average time solving the 3x3x3 cube.

Wearing a red…

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