analysis of celrCELRUSDTkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkgggggggggggggggggggggggggggkkkkkkkkkkkkkkkkkkkkkkkkkgggggggggggggggggggggggggiiiiiiiiiiiiiiiiiiiiiiiirrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrkkkkklllllllllllllbbbbbbbbbbbbbbbbbmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm