61 Circular references in with ++

by Kingofastellarwar

63 once again

by 3141566 Z

64 To place on a card

by Rum of Mik

65 vs Hezfild

by sergey2b

69 3d object on photos

by kokaku

71 Strategy = a way to a victory

by Arsen Shnurkov

77 Reverse . Phase rupture

by mossad_re

78 Material for learning

by BadCats

80 "Grid" = DAG?

by Arsen Shnurkov

83 To group indexes

by SergASh

87 List grouping

by okon