B3311331313231311331322331333132233131133132233133313231333131133132233323321   >>    B331133131323131133132233133313223313113313223313331323133313113313223332332   <<    B3311331313231311331322331333132233131133132233133313231333131133132233323323   >>      B3311331313231311331322331333132233131133132233133313231333131133132233323322   >>