Changes

| 1 || 1 || 2 || If 1 Write 1. Go right. State 2

| 1 || 1 || 2 || If 1 Write 1. Go right. State 2

|-

|-

| 0 || 1 || 4 || If 0 Write 0. Go right. State 4. halt

| 0 || 1 || 4 || If 0 Write 0. Go right. State 4. Halt

|-

|-

| 0 || 1 || 4 || If 1 Write 0. Go left. State 4

| 0 || 1 || 4 || If 1 Write 0. Go right. State 4. Halt

|}

|}

* Log 6: When we see color 0 for the second time, we execute line 3, which says to rewrite 0, go left, and go into state 3

* Log 6: When we see color 0 for the second time, we execute line 3, which says to rewrite 0, go left, and go into state 3

* Log 7: Now we arrive at line 6, which says to overwrite 1 on the last cell with color 0, go left, and go into state 4 (Halt).

* Log 7: Now we arrive at line 6, which says to overwrite 1 on the last cell with color 0, go right, and go into state 4 (Halt).

Line 5 is never executed, but has to be there to complete the table.

Line 5 is never executed, but has to be there to complete the table.