ffffffffffffffff FFFFFFFFFFFFFFFF 1777777777777777777777
ffffffffffffff01 18446744073709551361
7fffffffffffffff
0xff 010
0 2 2 4 4
0.2 0.3 0.5
2.67
2e+00 4e+00 2e+00
9.99e+00
1.235e+04
-2.5  2.5 +2.5
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