B331133131323131133132233133313231323221323331333133313232212311   >>    B33113313132313113313223313331323132322132333133313331323221231   <<    B331133131323131133132233133313231323221323331333133313232212313   >>      B331133131323131133132233133313231323221323331333133313232212312   >>