B3311331313231311331322331333132313331322331323133313311211331323111112311   >>    B331133131323131133132233133313231333132233132313331331121133132311111231   <<    B3311331313231311331322331333132313331322331323133313311211331323111112313   >>      B3311331313231311331322331333132313331322331323133313311211331323111112312   >>