Game technique · Bridges (Hashi)
Islands Marked 8 and 7 in Hashi
An island with four neighbors can support at most eight bridges: two in each direction.
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An island with four neighbors can support at most eight bridges: two in each direction.
Example
An 8 therefore needs double bridges in all four directions. A 7 needs three doubles and one single, subject to the full puzzle.
Key point
An island with four neighbors can support at most eight bridges: two in each direction.