C111123313121111121111331333132313331333131321211113313232233313231   >>    C11112331312111112111133133313231333133313132121111331323223331323   <<    C111123313121111121111331333132313331333131321211113313232233313233   >>      C111123313121111121111331333132313331333131321211113313232233313232   >>