B3311331313231311331322331333132313331323221233133313231333131133311   >>    B331133131323131133132233133313231333132322123313331323133313113331   <<    B3311331313231311331322331333132313331323221233133313231333131133313   >>      B3311331313231311331322331333132313331323221233133313231333131133312   >>