I33132322131323331311211331333132313331333223313231333132313232212131   >>    I3313232213132333131121133133313231333133322331323133313231323221213   <<    I33132322131323331311211331333132313331333223313231333132313232212133   >>      I33132322131323331311211331333132313331333223313231333132313232212132   >>