A grade: { 4, 5, 6, 12, 13, 19, 20, 21, 24, 25, 28, 29, 30, 33, 34, 35, 39, 40, 68, 69, 70, 75, 79, 80, 102, 103, 107, 108, 109, 113, 114, 115, 117, 118, 119, 120, 121, 122, 123, 127, 128, 129, 142, 143, 147, 148, 149, 150, 154, 155, 159, 160, 164, 165, 166, 171, 172, 176, 177, 178, 182, 183 }
B grade: { 1, 2, 3, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 22, 23, 31, 32, 38, 99, 100, 101, 104, 105, 106, 110, 111, 112, 116, 156, 157, 158, 161, 162, 163, 167, 170, 175 }
C grade: { 63, 64, 65, 66, 67, 81, 82, 83, 84, 85, 86, 87 }
F grade: { 26, 27, 36, 37, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 71, 72, 73, 74, 76, 77, 78, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 124, 125, 126, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 144, 145, 146, 151, 152, 153, 168, 169, 173, 174, 179, 180, 181 }