Empty: 2 empty squares Hybrid: 1 empty square and 1 segment Single: 1 segment Two: 2 segments Hybrid & Two cover everything except 023/031/067/075 which need 3 segments |--------+--------+--------+--------------+----------+------------+------| | Board# | Empty | Single | Hybrid / Two | Vertical | Horizontal | Both | |--------+--------+--------+--------------+----------+------------+------| | 001 | x | x | x | 012 | 081 | 092 | | 002 | | x | x | 007 | 082 | 087 | | 003 | | | x | 010 | 084 | 091 | | 004 | x | x | x | 011 | 083 | 090 | | 005 | | x | x | 008 | 086 | 089 | | 006 | | | x | 009 | 085 | 088 | | 007 | | x | x | 002 | 087 | 082 | | 008 | | x | x | 005 | 089 | 086 | | 009 | | | x | 006 | 088 | 085 | | 010 | | | x | 003 | 091 | 084 | | 011 | x | x | x | 004 | 090 | 083 | | 012 | x | x | x | 001 | 092 | 081 | | 013 | | | x | 034 | 057 | 078 | | 014 | | | x | 035 | 058 | 079 | | 015 | | | x | 036 | 059 | 080 | | 016 | | x | x | 025 | 063 | 072 | | 017 | | | x | 026 | 062 | 071 | | 018 | x | | x | 027 | 060 | 069 | | 019 | | | x | 028 | 061 | 070 | | 020 | | x | x | 033 | 064 | 077 | | 021 | | | x | 029 | 065 | 073 | | 022 | | | x | 030 | 066 | 074 | | 023 | | | | 031 | 067 | 075 | | 024 | x | x | x | 032 | 068 | 076 | | 025 | | x | x | 016 | 072 | 063 | | 026 | | | x | 017 | 071 | 062 | | 027 | x | | x | 018 | 069 | 060 | | 028 | | | x | 019 | 070 | 061 | | 029 | | | x | 021 | 073 | 065 | | 030 | | | x | 022 | 074 | 066 | | 031 | | | | 023 | 075 | 067 | | 032 | x | x | x | 024 | 076 | 068 | | 033 | | x | x | 020 | 077 | 064 | | 034 | | | x | 013 | 078 | 057 | | 035 | | | x | 014 | 079 | 058 | | 036 | | | x | 015 | 080 | 059 | | 037 | x | | x | 051 | 042 | 056 | | 038 | | | x | 052 | 040 | 054 | | 039 | | x | x | 053 | 041 | 055 | | 040 | | | x | 054 | 038 | 052 | | 041 | | x | x | 055 | 039 | 053 | | 042 | x | | x | 056 | 037 | 051 | | 043 | | x | x | 047 | 045 | 049 | | 044 | | | x | 048 | 046 | 050 | | 045 | | x | x | 049 | 043 | 047 | | 046 | | | x | 050 | 044 | 048 | | 047 | | x | x | 043 | 049 | 045 | | 048 | | | x | 044 | 050 | 046 | | 049 | | x | x | 045 | 047 | 043 | | 050 | | | x | 046 | 048 | 044 | | 051 | x | | x | 037 | 056 | 042 | | 052 | | | x | 038 | 054 | 040 | | 053 | | x | x | 039 | 055 | 041 | | 054 | | | x | 040 | 052 | 038 | | 055 | | x | x | 041 | 053 | 039 | | 056 | x | | x | 042 | 051 | 037 | | 057 | | | x | 078 | 013 | 034 | | 058 | | | x | 079 | 014 | 035 | | 059 | | | x | 080 | 015 | 036 | | 060 | x | | x | 069 | 018 | 027 | | 061 | | | x | 070 | 019 | 028 | | 062 | | | x | 071 | 017 | 026 | | 063 | | x | x | 072 | 016 | 025 | | 064 | | x | x | 077 | 020 | 033 | | 065 | | | x | 073 | 021 | 029 | | 066 | | | x | 074 | 022 | 030 | | 067 | | | | 075 | 023 | 031 | | 068 | x | x | x | 076 | 024 | 032 | | 069 | x | | x | 060 | 027 | 018 | | 070 | | | x | 061 | 028 | 019 | | 071 | | | x | 062 | 026 | 017 | | 072 | | x | x | 063 | 025 | 016 | | 073 | | | x | 065 | 029 | 021 | | 074 | | | x | 066 | 030 | 022 | | 075 | | | | 067 | 031 | 023 | | 076 | x | x | x | 068 | 032 | 024 | | 077 | | x | x | 064 | 033 | 020 | | 078 | | | x | 057 | 034 | 013 | | 079 | | | x | 058 | 035 | 014 | | 080 | | | x | 059 | 036 | 015 | | 081 | x | x | x | 092 | 001 | 012 | | 082 | | x | x | 087 | 002 | 007 | | 083 | x | x | x | 090 | 004 | 011 | | 084 | | | x | 091 | 003 | 010 | | 085 | | | x | 088 | 006 | 009 | | 086 | | x | x | 089 | 005 | 008 | | 087 | | x | x | 082 | 007 | 002 | | 088 | | | x | 085 | 009 | 006 | | 089 | | x | x | 086 | 008 | 005 | | 090 | x | x | x | 083 | 011 | 004 | | 091 | | | x | 084 | 010 | 003 | | 092 | x | x | x | 081 | 012 | 001 | |--------+--------+--------+--------------+----------+------------+------| | | 20 (5) | 36 (9) | 88 (22) | | | | |--------+--------+--------+--------------+----------+------------+------| Puzzle plan: 01 [ 1]: three 02-06 [ 5]: two R-V 07-11 [ 5]: two (R-G or G-V) 12-21 [10]: two (exactly one is RGV) 22-26 [ 5]: two (none RGV) 27-37 [11]: hybrid 38-42 [ 5]: empty 43-48 [ 6]: single