2222,2224,2224,2227,2228,2229,2230,2231,2232,2231,2232,2233,2231,2230,2228,2227,2228,2227,2225,2222;901,900,899,900,900,901,901,902,902,903,903,905,905,906,905,904,902,902,903,902