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semanage -S targeted -i - << __eof
user -a -P user -R "unconfined_r system_r" -r s0-s0:c0.c1023 unconfined_u
user -a -P user -R guest_r guest_u
user -a -P user -R xguest_r xguest_u
__eof
semanage -S targeted -i - << __eof
login -m  -s unconfined_u -r s0-s0:c0.c1023 __default__
login -m  -s unconfined_u -r s0-s0:c0.c1023 root
__eof

So you can add multiple records in a single pass.
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