T_OP         '~'           (1, 0) (1, 1)
T_NUMBER     '1'           (1, 1) (1, 2)
T_OP         '^'           (1, 3) (1, 4)
T_NUMBER     '1'           (1, 5) (1, 6)
T_OP         '&'           (1, 7) (1, 8)
T_NUMBER     '1'           (1, 9) (1, 10)
T_OP         '|'           (1, 11) (1, 12)
T_NUMBER     '1'           (1, 12) (1, 13)
T_OP         '^'           (1, 14) (1, 15)
T_OP         '-'           (1, 16) (1, 17)
T_NUMBER     '1'           (1, 17) (1, 18)
T_ENDMARKER  ''            (2, 0) (2, 0)