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11XX21X1XX1X1211
1XX122X1XX1X1211
1XXX21X1XXX11211
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X1X122X1XX1X1211
X1XX21X1XXX11211
X1XX22X1XX111211
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21X121X1XX111211
21XX22X1XXXX1211
2XX121X1XXXX1211
2XXX22X1XX111211
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X12121XX11X21211
X2112XXX11X21211
X22121XX12X11211
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X12121XXX2X11211
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X21121XXX1X11211
X2112XXXX2X11211
X22121XXX1X21211
X2212XXXX2X21211
X11121XX21X11211
X1212XXX22X21211
X21121XX22X21211
X2212XXX21X11211
