t = {}
table.bininsert(t,  5)
assert(table.concat(t) == "5")
table.bininsert(t,  4)
assert(table.concat(t) == "45")
table.bininsert(t,  6)
assert(table.concat(t) == "456")
table.bininsert(t,  5)
assert(table.concat(t) == "4556")
table.bininsert(t,  6)
assert(table.concat(t) == "45566")
table.bininsert(t,  4)
assert(table.concat(t) == "445566")
table.bininsert(t,  0)
assert(table.concat(t) == "0445566")