B331133131323131133132233133313231313231333132322331323221333131323113231   >>    B33113313132313113313223313331323131323133313232233132322133313132311323   <<    B331133131323131133132233133313231313231333132322331323221333131323113233   >>      B331133131323131133132233133313231313231333132322331323221333131323113232   >>