| "|one two three four five six" -- "[one two] three four five six" |
| "o|ne two three four five six" -- "[one two] three four five six" |
| "on|e two three four five six" -- "[one two] three four five six" |
| "one| two three four five six" -- "[one two] three four five six" |
| "one |two three four five six" -- "[one two] three four five six" |
| "one t|wo three four five six" -- "[one two] three four five six" |
| "one tw|o three four five six" -- "[one two] three four five six" |
| "one two| three four five six" -- null |
| "one two |three four five six" -- "one two [three four] five six" |
| "one two t|hree four five six" -- "one two [three four] five six" |
| "one two th|ree four five six" -- "one two [three four] five six" |
| "one two thr|ee four five six" -- "one two [three four] five six" |
| "one two thre|e four five six" -- "one two [three four] five six" |
| "one two three| four five six" -- "one two [three four] five six" |
| "one two three |four five six" -- "one two [three four] five six" |
| "one two three f|our five six" -- "one two [three four] five six" |
| "one two three fo|ur five six" -- "one two [three four] five six" |
| "one two three fou|r five six" -- "one two [three four] five six" |
| "one two three four| five six" -- null |
| "one two three four |five six" -- "one two three four [five six]" |
| "one two three four f|ive six" -- "one two three four [five six]" |
| "one two three four fi|ve six" -- "one two three four [five six]" |
| "one two three four fiv|e six" -- "one two three four [five six]" |
| "one two three four five| six" -- "one two three four [five six]" |
| "one two three four five |six" -- "one two three four [five six]" |
| "one two three four five s|ix" -- "one two three four [five six]" |
| "one two three four five si|x" -- "one two three four [five six]" |
| "one two three four five six|" -- null |
