B331133131323131133132233133313113313331311133313331333132333132322121323331   >>    B33113313132313113313223313331311331333131113331333133313233313232212132333   <<    B331133131323131133132233133313113313331311133313331333132333132322121323333   >>      B331133131323131133132233133313113313331311133313331333132333132322121323332   >>