B331133131323131133132233133313233313331313223313331323223313232222131   >>    B33113313132313113313223313331323331333131322331333132322331323222213   <<    B331133131323131133132233133313233313331313223313331323223313232222133   >>      B331133131323131133132233133313233313331313223313331323223313232222132   >>