21 21: false === false

    22 22: false === false

    23 23: true === true

    24 24: true === true

    25 25: true === true

    26 26: false === false

    27 27: false === false

    28 28: false === false

    29 29: false === false

    30 30: false === false

    31 31: true === true

    32 32: true === true

    33 33: false === false

    34 34: false === false

    35 35: false === false

    36 36: true === true

    37 37: true === true

    38 38: true === true

    39 39: true === true

    40 40: true === true