CREATE TABLE table_803 ("Game" FLOAT, "Date" TEXT, "Team" TEXT, "Score" TEXT, "High points" TEXT, "High rebounds" TEXT, "High assists" TEXT, "Location Attendance" TEXT, "Record" TEXT)

who made the recovers where the score is 12-30
SELECT "High rebounds" FROM table_803 WHERE "Record" = '12-30'
SELECT "High rebounds" FROM "table_803" WHERE "Record" = '12-30'