B3311331313231311331322331333132313331322331323133313231333131131221   >>    B331133131323131133132233133313231333132233132313331323133313113122   <<    B3311331313231311331322331333132313331322331323133313231333131131223   >>      B3311331313231311331322331333132313331322331323133313231333131131222   >>