B3311331313231311331322331333132313231333131323223313331311331311331323111311   >>    B331133131323131133132233133313231323133313132322331333131133131133132311131   <<    B3311331313231311331322331333132313231333131323223313331311331311331323111313   >>      B3311331313231311331322331333132313231333131323223313331311331311331323111312   >>