[{"data":1,"prerenderedAt":30},["ShallowReactive",2],{"options:asyncdata:2xhofuph3xmwu":3},{"state":4,"puzzle":5,"loading":29},"open",{"id":6,"title":7,"category":8,"difficulty":9,"access":10,"tags":11,"prompt":13,"options":14,"hints":27},"everyone-shakes-hands","Everyone Shakes Hands","logic","easy","free",[12],"counting","Ten people meet and every pair shakes hands exactly once. How many handshakes are there?",[15,18,21,24],{"id":16,"text":17},"a","10",{"id":19,"text":20},"b","45",{"id":22,"text":23},"c","100",{"id":25,"text":26},"d","90",[28],"Each person shakes 9 hands, but that counts every handshake twice.",false,1793569846093]