B3311331313231311331322331333132313331322331323133313331322131121131121   >>    B331133131323131133132233133313231333132233132313331333132213112113112   <<    B3311331313231311331322331333132313331322331323133313331322131121131123   >>      B3311331313231311331322331333132313331322331323133313331322131121131122   >>