I33132322131121133131323331333132233132313223313133313233232221   >>    I3313232213112113313132333133313223313231322331313331323323222   <<    I33132322131121133131323331333132233132313223313133313233232223   >>      I33132322131121133131323331333132233132313223313133313233232222   >>