B3311331313231311331322331333132322331313231211113313331333123131   >>    B331133131323131133132233133313232233131323121111331333133312313   <<    B3311331313231311331322331333132322331313231211113313331333123133   >>      B3311331313231311331322331333132322331313231211113313331333123132   >>