B3311331313231311331322331333132313331322331323133313331122112312112131   >>    B331133131323131133132233133313231333132233132313331333112211231211213   <<    B3311331313231311331322331333132313331322331323133313331122112312112133   >>      B3311331313231311331322331333132313331322331323133313331122112312112132   >>