you stre s chip place character string after place chip right maybe zero time ie perform follow operation times current position chip position 1 of course move chip right impossible positionafter move chip right leave maybe zero time ie perform follow operation times current position chip position 1 of course move chip leave impossible positionWhen place chip write character chip end action for example s abcdef place chip 3rd character right 2 time leave 3 time write string cdedcbyou give string s t your task determine possible perform describe operation s write string t result