{
  "0" => [1, 101, 201, 301, 401, 501, 601, 701, 801],
  "1" => [100, 200, 300, 400, 500, 600, 700, 800, 900],
  "2" => [1, 1, 1, 1, 1, 1, 1, 1, 1],
  "3" => [2, 2, 2, 2, 2, 2, 0, 1, 2],
}
[2, 3]