C1111133313331323223313331333133313331322331333131323132312113311   >>    C111113331333132322331333133313331333132233133313132313231211331   <<    C1111133313331323223313331333133313331322331333131323132312113313   >>      C1111133313331323223313331333133313331322331333131323132312113312   >>