B33113313132313113313223313331323132313233313331313331333132333132211331   >>    B3311331313231311331322331333132313231323331333131333133313233313221133   <<    B33113313132313113313223313331323132313233313331313331333132333132211333   >>      B33113313132313113313223313331323132313233313331313331333132333132211332   >>