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1XX111XX111XX212
21X111XX11XXX212
21X112XXX11XX212
2X1111XXX11XX212
2X1112XX11XXX212
11X1X11XX11XX212
11X1X21X11XXX212
1X11X11X11XXX212
1X11X21XX11XX212
2111X21XX1XXX212
2XX1X11XX1XXX212
1111212XX1XXX212
1XX1222XX1XXX212
2111212X111XX212
2XX1222X111XX212
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