C1111133313331323223313331333133313331322331333132313223313331333112323223311   >>    C111113331333132322331333133313331333132233133313231322331333133311232322331   <<    C1111133313331323223313331333133313331322331333132313223313331333112323223313   >>      C1111133313331323223313331333133313331322331333132313223313331333112323223312   >>