T_OP         '-'           (1, 0) (1, 1)
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T_OP         '*'           (1, 2) (1, 3)
T_NUMBER     '1'           (1, 3) (1, 4)
T_OP         '/'           (1, 4) (1, 5)
T_NUMBER     '1'           (1, 5) (1, 6)
T_OP         '+'           (1, 6) (1, 7)
T_NUMBER     '1'           (1, 7) (1, 8)
T_OP         '*'           (1, 8) (1, 9)
T_NUMBER     '1'           (1, 9) (1, 10)
T_OP         '//'          (1, 10) (1, 12)
T_NUMBER     '1'           (1, 12) (1, 13)
T_OP         '-'           (1, 14) (1, 15)
T_OP         '-'           (1, 16) (1, 17)
T_OP         '-'           (1, 17) (1, 18)
T_OP         '-'           (1, 18) (1, 19)
T_NUMBER     '1'           (1, 19) (1, 20)
T_OP         '**'          (1, 20) (1, 22)
T_NUMBER     '1'           (1, 22) (1, 23)
T_ENDMARKER  ''            (2, 0) (2, 0)