B3311331313231311331322331333132333133313132233133313232233131133131121132321   >>    B331133131323131133132233133313233313331313223313331323223313113313112113232   <<    B3311331313231311331322331333132333133313132233133313232233131133131121132323   >>      B3311331313231311331322331333132333133313132233133313232233131133131121132322   >>