say "{+$_} matching numbers:\n{.batch(10)».fmt('%3d').join: "\n"}"
given (^1000).grep: { .is-prime and $_ eq .flip };20 matching numbers:
2 3 5 7 11 101 131 151 181 191
313 353 373 383 727 757 787 797 919 929
say "{+$_} matching numbers:\n{.batch(10)».fmt('%3d').join: "\n"}"
given (^1000).grep: { .is-prime and $_ eq .flip };20 matching numbers:
2 3 5 7 11 101 131 151 181 191
313 353 373 383 727 757 787 797 919 929