sed -E 's/11 ./11 1/g'|sed -E 's/22 ./22 2/g'|sed -E 's/33 ./33 3/g'|sed -E 's/44 ./44 4/g'|sed -E 's/55 ./55 5/g'|sed -E 's/66 ./66 6/g'|sed -E 's/77 ./77 7/g'|sed -E 's/88 ./88 8/g'|sed -E 's/99 ./99 9/g'|sed -E 's/.* (.).*/\1/g' s