Initial hash table: [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
Inserted 15, 38, 61, 84, 107
After first five inserts     : [-1, 84, -1, -1, -1, -1, -1, -1, 107, -1, -1, -1, -1, -1, -1, 15, 38, -1, -1, 61, -1, -1, -1]

, 130, 153, 176, 199, 222
After next  five inserts     : [-1, 84, -1, -1, 222, 153, -1, -1, 107, -1, 199, -1, -1, -1, -1, 15, 38, 130, 176, 61, -1, -1, -1]

, 245, 268Value 291 could not be inserted.
, 291Value 314 could not be inserted.
, 314Value 337 could not be inserted.
, 337
After next  five inserts     : [245, 84, -1, -1, 222, 153, -1, -1, 107, -1, 199, -1, -1, -1, -1, 15, 38, 130, 176, 61, -1, 268, -1]