Cover
MCK      1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21

Original
MCK      1  2  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22
NT2      3

        Engine                  Author          Cov / Orig
MCK     MCK / PMCK              various          21 + 21 = 42
NT2     NerdTracker 2           bananmos          0 +  1 =  1
        Total                                    21 + 22 = 43