Add 600.10.30.120.
Merge 6001030110 and 6001030130 and 6001030140 and 6001030200.
Merge 6001020130 and 6001020150 and 6001030150 and 6001030160 and 6001030180 and 6001030190 and 600103040 and 600103080 and 600503020 and 600601030.
Merge 6002030190 and 6002030210 and 6002030220 and 6003020100 and 600302050 and 600302060 and 600302070 and 600302080 and 600302090 and 600403080 and 90030120 and 9003060 and 9003070 and 9003080.