process.stdin.resume();
process.stdin.setEncoding('utf8');
 
// your code goes here
const ordered = (a, b) => a < b;
 
function almostIncreasingSequence(xs) {
  for(var i=0, removed = false; i<xs.length - 1; ++i) {
    if(!ordered(xs[i], xs[i+1])) {
 
      // если раньше убирали, а теперь непоследовательность второй раз
      // или уберём сейчас левый или правый, а последовательности не будет
      if(removed ||
         i > 0 && !ordered(xs[i-1], xs[i+1]) &&
         i + 2 < xs.length && !ordered(xs[i], xs[i+2])) return false;
 
      // если выкинуть один, xs[0]..xs[i+1] - упорядочена
      removed = true;
    }
  }
 
  return true;
}
 
const least = -Infinity;
 
const isIncreasingSequence1 = (_, n, xs) => xs.reduce((r, x, i) =>
  i == n ? r : [r[0] && ordered(r[1], x), x], [true, least])[0];
 
const almostIncreasingSequenceNaive = xs =>
  isIncreasingSequence1(null,-1, xs) || xs.some(isIncreasingSequence1);
 
function seqInc(xs) {
  const dmin = -3, dmax = 3;
  for(var i=0; i<xs.length; ++i) {
    if(++xs[i] > dmax) xs[i] = dmin;
    else break;
  }
  if(i >= xs.length) {
    for(var i=0; i<xs.length; ++i) xs[i] = dmin;
    xs.push(dmin);
  }
}
 
var seq = [];
 
while(seq.length < 7) {
  var a = almostIncreasingSequence(seq);
  var an = almostIncreasingSequenceNaive(seq);
  if(a != an) console.error(seq, a, an);
  seqInc(seq);
}

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