codec-abc

var readline = require('readline');
var R = require('ramda');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});


var fn = function()

luan

squares([
          [X11, X12, X13, X14, X15, X16, X17, X18, X19],
          [X21, X22, X23, X24, X25, X26, X27, X28, X29],
          [X31, X32, X33, X34, X35, X36, X37, X38, X39],
          [X41, X42, X43, X44, X45, X46, X47, X48, X49],
          [X51, X52, X53, X54, X55, X56, X57, X58, X59],
          [X61, X62, X63, X64, X65, X66, X67, X68, X69],
          [X71, X72, X73, X74, X75, X76, X77, X78, X79],
          [X81, X82, X83, X84, X85, X86, X87, X88, X89],
          [X91, X92, X93, X94, X95, X96, X97, X98, X99]