B3311331313231311331322331333132313331322331323133313331333131133133322311121   >>    B331133131323131133132233133313231333132233132313331333133313113313332231112   <<    B3311331313231311331322331333132313331322331323133313331333131133133322311123   >>      B3311331313231311331322331333132313331322331323133313331333131133133322311122   >>