DM

Preference ranking

DM1

$S_5\sim S_{12}\succ S_{11}\succ S_9\succ S_7\succ S_6\succ S_4\succ S_2\succ S_3\succ S_1\succ S_{13}\succ S_{10}\succ S_8$

DM2

$S_5\sim S_{12}\succ S_7\sim S_9\sim S_{11}\succ S_1\sim S_3\succ S_{10}\succ S_6\sim S_8\sim S_{13}\succ S_4\succ S_2$

DM3

$S_5\sim S_7\succ S_8\succ S_1\sim S_6\succ S_2\succ S_{11}\sim S_{12}\sim S_{13}\succ S_{10}\succ S_4\succ S_9\succ S_3$