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86 – 58 =	54 – 19 =	67 – 28 =	62 – 29 =
55 – 37 =	44 – 18 =	91 – 36 =	36 – 19 =
78 – 39 =	67 – 19 =	52 – 24 =	37 – 18 =
93 – 38 =	55 – 27 =	78 – 19 =	81 – 35 =
64 – 28 =	45 – 28 =	73 – 19 =	56 – 27 =