12 0 13 11 0 0 12 0 11 0 0 Df ERT Ab Df ABC [1,2,3] 2 [1,2,3] 1 [1,2,3] 0 [1,2,3] 3 [1,2,3] 0 [1,2,3] 2 [1,2,3] 1 [1,2,3] 0 [1,2,3] 3 [1,2,3] 2 [1,2,3] 3 [1,2,3] 0 [1,2,3] 1 [1,2,3] 0