70-58= 97-19= 70-48= 90-18= 18+68=
    98-29= 41-23= 71-45= 17+14= 39+48=
    39+38= 41-13= 15+16= 66+19= 63-46=
    38+28= 78-69= 46+39= 50-21= 77-59=
    54-38= 62-36= 61-49= 71-35= 63-56=
    46+49= 23+28= 23+38= 16+26= 39+15=
    70-58= 18+68= 39+48= 63-46= 38+28=
    77-59= 63-56= 39+15= 95-69= 27+69=
    81-57= 56+38= 49+37= 40-18= 37+56=
    29+67= 90-33= 29+44= 73-45= 57+35=
    95-59= 48-39= 57+25= 28+57= 81-34=
    57+16= 96-57= 59+23= 31-19= 40-28=
    47-29= 16+29= 56+28= 64+27= 96-47=
    73-36= 81-24= 80-37= 82-44= 16+19=
    48+17= 87-48= 80-47= 33-17= 49+27=
    58+13= 27+69= 37+56= 57+35= 95-59=
    50-24+25= 57+16-24= 84-19-48= 33-17+65=
    33-17+65= 37+27-47= 81-19-35= 53+28-26=