SINGAPORE (Reuters) - Bitcoin extended its recovery in holiday-thinned trading on Tuesday, rising 10 percent to be up more than a third from last week’s lows below $12,000. Bitcoin, the world's biggest and best-known cryptocurrency, fell nearly 30 percent at one stage on Friday to $11,159.93 BTC=BTSP and, despite a late recovery, had its worst week since 2013. At 0445 GMT, it was quoted around $15,049 on the Luxembourg-based Bitstamp exchange.