22 The disciples looked at one another, uncertain of whom he spoke.
John 13:22 Cross References - Common
Matthew 26:22
22 And they were very sorrowful, and began to say to him one after another, "Is it I, Lord?"
Mark 14:19
19 They began to be sorrowful, and to say to him one by one, "Is it I?"
Luke 22:23
23 Then they began to question among themselves, which of them it was who would do this.