Invalid validation


#1

For following input, it seems validation is wrong
14 83 188 253 281 254 56 70 3 276 233 280 224 16 173 183 193 44 184 33 213 134 95 213 48 300 62 237 63

Random index 193 corresponds to 13th index (193%(14+1) = 13), but validation expects it as 14 => Null.