B33113313132313113313223313331323133313223313231333133313331333131133131223211   >>    B3311331313231311331322331333132313331322331323133313331333133313113313122321   <<    B33113313132313113313223313331323133313223313231333133313331333131133131223213   >>      B33113313132313113313223313331323133313223313231333133313331333131133131223212   >>