Software testing first job

Input judgment	Effective equivalence class	Numbering	Invalid equivalence class	Numbering
Enter the characters in length	# 6	①	Greater than 6 digits	⑤
			Less than 6 digits	⑥
The input character type	digital	②	Six non-pure digital	⑦
Enter the year constraints	1990-2049	③	Greater than 2049	⑧
			Less than 1990	⑨
Enter the month constraints	01-12	④	More than 12	⑩
			Equal to 00	⑪