B3311331313231311331322331333132313331322331323133313331323312111112131123311   >>    B331133131323131133132233133313231333132233132313331333132331211111213112331   <<    B3311331313231311331322331333132313331322331323133313331323312111112131123313   >>      B3311331313231311331322331333132313331322331323133313331323312111112131123312   >>