To lessen the risk of needle perforation of the hepatic capsule when the sheath is located in the right hepatic vein, the needle should be rotated ________; whereas when the sheath is located in the middle hepatic vein the needle should be rotated ________.
1) anteriorly, posteriorly
2) posteriorly, anteriorly
3) clockwise, counterclockwise
4) counterclockwise, clockwise