I33132322131323331311211331333132313331333223313231333133313113313233231221   >>    I3313232213132333131121133133313231333133322331323133313331311331323323122   <<    I33132322131323331311211331333132313331333223313231333133313113313233231223   >>      I33132322131323331311211331333132313331333223313231333133313113313233231222   >>