B3311331313231311331322331333132313331323131323223313231333132311312111121   >>    B331133131323131133132233133313231333132313132322331323133313231131211112   <<    B3311331313231311331322331333132313331323131323223313231333132311312111123   >>      B3311331313231311331322331333132313331323131323223313231333132311312111122   >>