service_id, date, exception_type C1, 20210708, 1 B1, 20210708, 2 D1, 20210709, 1 B1, 20210709, 2 E2, 20210710, 1 E3, 20210710, 1 B2, 20210710, 2 B3, 20210710, 2 F3, 20210711, 1 F4, 20210711, 1 B3, 20210711, 2 B4, 20210711, 2 H1, 20210715, 1 G1, 20210715, 2 I1, 20210716, 1 G1, 20210716, 2 J2, 20210717, 1 J3, 20210717, 1 G2, 20210717, 2 G3, 20210717, 2 K3, 20210718, 1 K4, 20210718, 1 G3, 20210718, 2 G4, 20210718, 2 M1, 20210719, 1 L1, 20210719, 2