B3311331313231311331322331333132313331322331323133313231323131121213221   >>    B331133131323131133132233133313231333132233132313331323132313112121322   <<    B3311331313231311331322331333132313331322331323133313231323131121213223   >>      B3311331313231311331322331333132313331322331323133313231323131121213222   >>