Consider the following statements regarding Underground Coal Gasification (UCG):

1. It involves gasifying coal in its original coal seam to produce a mixture of syngas, primarily methane (CH4), hydrogen (H2), and carbon dioxide (CO2).

2. It is initiated by injecting steam and air/oxygen into the coal seam.

3. It requires much less land area than coal bed methane extraction.

Which of the statements given above is/are correct?