main
= let xs
= [[-4,1,3],[-1,-pi,-2.3],[4,4356,0]]
CmYgPSBtYXAgbWluaW11bQoKbWFpbiA9IGxldCB4cyA9IFtbLTQsMSwzXSxbLTEsLXBpLC0yLjNdLFs0LDQzNTYsMF1dCiAgICAgICBpbiAgcHJpbnQgJCB6aXBXaXRoIChceCAtPiBzdWJ0cmFjdCAxIC4gbGVuZ3RoIC4gZHJvcFdoaWxlICgvPXgpKSAoZiB4cykgeHM=