B331133131323131133132233133313231333132233132313331333132313112211211111212111   >>    B33113313132313113313223313331323133313223313231333133313231311221121111121211   <<    B331133131323131133132233133313231333132233132313331333132313112211211111212113   >>      B331133131323131133132233133313231333132233132313331333132313112211211111212112   >>