Possible Clues:

• One very behindhand getting cut off
• Cut off one thus overdue
• I offer criticism about oxygen being cut off
• Am I so far behind time that you must leave me all by myself?
• Place apart or alone
• The unit so slow may well be cut off
• Place apart, away from others
• To such an extent, I am not 13 across. Leave me alone
• Set apart, quarantine
• Is 10 dead, being cut off?