[{"N":5,"a":3,"type":1,"first":137},{"so1":138,"so2":741},{"so1":998,"so2":53},{"so1":7,"so2":4},{"type":0,"so1":3,"so2":9},{"pheptinh":"-","dv":1,"vitri":1,"so2":58,"so1":7},{"sIndex":1,"cIndex":2,"color":"#119dff"},{"type":5,"so2":2,"so1":2,"so3":1},{"type":1,"b":3,"c":5},{"em":9,"anh":13,"type":2}]
[["142","147","152","157"],"879","945",{"ans0":"4*7","ans1":"28"},{"ans0":"9/3","ans1":"3"},"12","3","0","<","9"]