B3311331313231311331322331333132313331323232233133313331311211323321   >>    B331133131323131133132233133313231333132323223313331333131121132332   <<    B3311331313231311331322331333132313331323232233133313331311211323323   >>      B3311331313231311331322331333132313331323232233133313331311211323322   >>