B331133131323131133132233133313231313231333132322331313331333132313223331212131   >>    B33113313132313113313223313331323131323133313232233131333133313231322333121213   <<    B331133131323131133132233133313231313231333132322331313331333132313223331212133   >>      B331133131323131133132233133313231313231333132322331313331333132313223331212132   >>