Duplicate N++ level names

 SU-A-00-03, R-A-16-00, RL-C-17-00: ticked off
 SL-C-14-00, R-B-15-03, RL-X-11-02: simplicity itself
            SI-B-02-00, RI-E-00-01: learning process
            SU-X-08-00, RL-D-09-00: trickery
            SU-X-08-01, RL-B-06-02: dipper
                !-A-00, CL-B-05-03: technicality
             C-B-00-04, RL-D-01-00: darting
             C-A-05-03, RL-X-13-01: suspended
              C-E-07-00, R-D-15-02: value proposition
             C-E-15-01, RL-A-11-04: the smasher
             C-E-15-04, RT-A-04-02: the path of most resistance
             C-D-16-02, CL-C-00-00: creepy crossing
             C-D-16-03, CT-X-00-02: rocket chums
             C-X-13-03, CL-X-05-03: pace yourselves
            CL-B-01-04, RL-E-04-03: strugs
            CL-E-01-03, RL-D-10-03: stronghold
            CL-E-02-00, RL-C-13-02: chomplor
            CL-A-07-03, CT-C-04-03: twogetherness
            CL-B-09-01, RL-X-13-00: up and over
             CL-D-10-00, R-X-05-03: exit strategies
             CL-X-04-00, R-B-06-04: that's why they call it gold
              R-A-00-00, R-C-15-03: hilltops
              R-C-01-03, R-X-19-01: risky business
              R-A-03-00, R-X-10-02: around the bend
             R-C-13-04, RL-X-04-02: density
             R-B-16-03, RL-X-06-00: uphill battle
            RL-C-08-01, RL-X-09-03: plunger
             SI-C-03-02, R-B-05-02: booster stage
             S-A-11-00, RL-D-12-04: weaving
              S-B-11-02, C-A-00-00: crisscrossy
              S-B-12-03, R-A-08-01: the squizzler
              S-E-14-01, R-C-05-04: shooting gallery
              S-E-15-01, R-B-14-03: reality leaves a lot to the imagination
             S-B-17-03, CL-E-06-03: target lock
             S-X-06-00, CI-E-00-00: careful consideration
              S-X-15-01, R-E-15-04: riding high
              S-X-16-00, C-D-04-04: shoot
             SL-B-01-03, R-X-15-01: up and around
             SL-E-01-04, C-D-15-02: bifurcation
             SL-B-05-01, R-B-00-01: dead end
             SL-A-06-02, R-D-04-02: the pits
             SL-D-08-02, C-X-01-01: keep away
            SL-A-12-02, RL-C-06-03: unsafe passage
             SL-B-17-02, R-D-00-03: victory lap
             SL-X-08-02, R-X-07-00: back and forth
             SU-D-00-00, R-D-11-04: no rush
             SU-A-08-00, C-A-08-04: spacious
            SU-D-09-03, RL-A-15-02: butterfeet
             SU-A-10-02, R-C-13-02: onceless
            SU-X-00-00, RL-A-17-03: bait
             SU-X-06-03, R-C-03-00: slalom