Mystery Square solutions

Mystery Square was solved using Pascal by 5 contestants. Solution sizes: average 1279 bytes (shortest: 1091; longest: 1768).

57. download KAP (S) (1186 B)
76. download Gennady.Korotkevich (S) (1768 B)
237. download megaterik (S) (1200 B)
298. download technolt (S) (1091 B)
307. download alexmat21 (S) (1152 B)