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+libhdr+mvec .(t!10,i) [ usevec(i$+1024,10000); i=0;i<5@ writef("%n*n", t$!i++=getvec(10)); i=0;i<5@ writef("%n*n", freevec(t$!i++)); i=0;i<5@ writef("%n*n", t$!i++=getvec(10)); 123 ]