SWAP              717 ext/uvector/uvector.c     SWAP(0, 1);
SWAP              729 ext/uvector/uvector.c     SWAP(0, 3);
SWAP              730 ext/uvector/uvector.c     SWAP(1, 2);
SWAP              742 ext/uvector/uvector.c     SWAP(0, 7);
SWAP              743 ext/uvector/uvector.c     SWAP(1, 6);
SWAP              744 ext/uvector/uvector.c     SWAP(2, 5);
SWAP              745 ext/uvector/uvector.c     SWAP(3, 4);