B3311331313231311331322331333132313233313231333131133133313233313332233231   >>    B331133131323131133132233133313231323331323133313113313331323331333223323   <<    B3311331313231311331322331333132313233313231333131133133313233313332233233   >>      B3311331313231311331322331333132313233313231333131133133313233313332233232   >>