1 constd 65 18446744073709551617 2 var 33 3 uext 65 2 32 4 var 65 5 mul 65 3 4 6 eq 1 1 5 7 umulo 1 3 4 8 and 1 6 -7 9 constd 33 1 10 eq 1 2 9 11 and 1 8 -10 12 root 1 11