Insert Groot. happy happy am I
Insert Happy
Replace happy sad OK
PrintList Happy I am sad sad Groot.
Replace sad sad OK
PrintList Happy I am sad sad Groot.
Replace sad mad OK
PrintList Happy I am mad mad Groot.
Clear OK
Insert time! the is Now
PrintList Now is the time!
Replace time! day! OK
PrintList Now is the day!
Insert joy joy joy
PrintList joy joy joy Now is the day!
Replace joy Happy OK
PrintList Happy Happy Happy Now is the day!