start:
11	statement
tokens:
7	3 <void> spaces = '[ \n\r\t]+'
8	4 <Integer> Number = '[0-9]+'
literals:
11	5 'if'
11	6 'else'
11 statement: [2] lookahead {'if', Number} follow {'else', [eof]}
11	Xor [10] lookahead {'if', Number} follow {'else', [eof]}
11	  Sequence [8] lookahead {'if'} follow {'else', [eof]}
11	    5 'if'
8	    4 <Integer> Number = '[0-9]+'
11	    statement [3] lookahead {'if', Number} follow {'else', [eof]}
11	    Repeat 0..1 [7] lookahead {'else', [none]} follow {'else', [eof]}
11	      Sequence [6] lookahead {'else'} follow {'else', [eof]}
11	        6 'else'
11	        statement [5] lookahead {'if', Number} follow {'else', [eof]}
8	  4 <Integer> Number = '[0-9]+'