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&&\enskip \enskip
&&\multispan3\enskip \qquad \qquad  SW  \qquad \qquad \enskip
&&\multispan3\enskip \qquad \qquad WOLFF \qquad \qquad \enskip
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&&\enskip \quad $L$ \quad \enskip
&&\enskip \qquad $\tau_{exp}$ \qquad \enskip
&&\enskip \qquad $\tau_{int}$ \qquad \enskip
&&\enskip \qquad $\tau_{exp}$ \qquad \enskip
&&\enskip \qquad $\tau_{int}$ \qquad \enskip
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&&  8  && 2.598 (10) && 2.590 (5)  && 1.175 (29) && 1.095 (1) &\cr
&&     && 2.568 (13) && 2.451 (6)  && 1.127 (29) && 1.006 (1) &\cr
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&& 16  && 3.315 (13) && 3.258 (5)  && 1.612 (22) && 1.435 (4) &\cr
&&     && 3.282 (17) && 2.957 (5)  && 1.555 (22) && 1.215 (3) &\cr
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&& 32  && 4.117 (18) && 4.016 (5)  && 2.101 (11) && 1.815 (3) &\cr
&&     && 4.095 (19) && 3.468 (8)  && 2.048 (14) && 1.403 (3) &\cr
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&& 50  && 4.740 (10) && 4.586 (5)  && 2.460 (21) && 2.079 (5) &\cr
&&     && 4.709 (25) && 3.812 (6)  && 2.382 (21) && 1.513 (3) &\cr
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&& 64  && 5.081 (21) && 4.899 (10) && 2.577 (31) && 2.225 (6) &\cr
&&     && 5.002 (29) && 3.986 (7)  && 2.454 (31) && 1.559 (5) &\cr
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&& 100 && 5.78  (4)  && 5.510 (17) && 2.943 (25) && 2.489 (7) &\cr
&&     && 5.71  (5)  && 4.305 (12) && 2.801 (23) && 1.641 (3) &\cr
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&& 128 && 6.16  (4)  && 5.874 (16) && 3.10  (4)  && 2.654 (12) &\cr
&&     && 6.11  (5)  && 4.509 (13) && 3.01  (4)  && 1.694 (5) &\cr
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&& 256 && 7.21  (7)  && 6.87  (3)  && 3.42  (6)  && 3.076 (24) &\cr
&&     && 7.23  (6)  && 5.018 (13) && 3.35  (5)  && 1.818 (9) &\cr
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&& 512 && 8.53  (18) && 8.04  (10) &&    -       &&    -      &\cr
&&     && 8.51  (9)  && 5.530 (20) &&    -       &&    -      &\cr
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\centerline{Table 1}
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% \narrower
\noindent
Exponential and integrated autocorrelation times for the SW and Wolff
algorithms as a function of the lattice size for $q = 2$.
For each value of $L$, the first line displays the values for the energy, 
the second line the absolute magnetization.
% \end
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