B3311331313231311331322331333132313233313231333131133133313221333111121   >>    B331133131323131133132233133313231323331323133313113313331322133311112   <<    B3311331313231311331322331333132313233313231333131133133313221333111123   >>      B3311331313231311331322331333132313233313231333131133133313221333111122   >>