"kazuho" (who is also a user on Twitter and here) has been ++'ed 3 times and --'ed 0 times by a total of 3 people.
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++'ed by kazuho
Tweet: あ、解決策を思いついた。kazuho++
++'ed by send_
Tweet: kazuho++
++'ed by mercysluck
Tweet: kazuho++