select substr(v,3 + (substr(v,2,1) != substr(v,3,1)) * 2,1) || substr(v,11 + (substr(v,10,1) != substr(v,11,1)) * 2,1) || substr(v,19 + (substr(v,18,1) != substr(v,19,1)) * 2,1) || substr(v,27 + (substr(v,26,1) != substr(v,27,1)) * 2,1) || substr(v,35 + (substr(v,34,1) != substr(v,35,1)) * 2,1) || substr(v,43 + (substr(v,42,1) != substr(v,43,1)) * 2,1) || substr(v,51 + (substr(v,50,1) != substr(v,51,1)) * 2,1) || substr(v,59 + (substr(v,58,1) != substr(v,59,1)) * 2,1) || substr(v,67 + (substr(v,66,1) != substr(v,67,1)) * 2,1) || substr(v,75 + (substr(v,74,1) != substr(v,75,1)) * 2,1) || substr(v,83 + (substr(v,82,1) != substr(v,83,1)) * 2,1) || substr(v,91 + (substr(v,90,1) != substr(v,91,1)) * 2,1) || substr(v,99 + (substr(v,98,1) != substr(v,99,1)) * 2,1) || substr(v,107 + (substr(v,106,1) != substr(v,107,1)) * 2,1) || substr(v,115 + (substr(v,114,1) != substr(v,115,1)) * 2,1) || substr(v,123 + (substr(v,122,1) != substr(v,123,1)) * 2,1) || substr(v,131 + (substr(v,130,1) != substr(v,131,1)) * 2,1) || substr(v,139 + (substr(v,138,1) != substr(v,139,1)) * 2,1) || substr(v,147 + (substr(v,146,1) != substr(v,147,1)) * 2,1) || substr(v,155 + (substr(v,154,1) != substr(v,155,1)) * 2,1) || substr(v,163 + (substr(v,162,1) != substr(v,163,1)) * 2,1) || substr(v,171 + (substr(v,170,1) != substr(v,171,1)) * 2,1) || substr(v,179 + (substr(v,178,1) != substr(v,179,1)) * 2,1) || substr(v,187 + (substr(v,186,1) != substr(v,187,1)) * 2,1) || substr(v,195 + (substr(v,194,1) != substr(v,195,1)) * 2,1) || substr(v,203 + (substr(v,202,1) != substr(v,203,1)) * 2,1) || substr(v,211 + (substr(v,210,1) != substr(v,211,1)) * 2,1) || substr(v,219 + (substr(v,218,1) != substr(v,219,1)) * 2,1) || substr(v,227 + (substr(v,226,1) != substr(v,227,1)) * 2,1) || substr(v,235 + (substr(v,234,1) != substr(v,235,1)) * 2,1) || substr(v,243 + (substr(v,242,1) != substr(v,243,1)) * 2,1) || substr(v,251 + (substr(v,250,1) != substr(v,251,1)) * 2,1) from i