C11111333133313232233133313331333131133132233133313223313221323331323311211   >>    C1111133313331323223313331333133313113313223313331322331322132333132331121   <<    C11111333133313232233133313331333131133132233133313223313221323331323311213   >>      C11111333133313232233133313331333131133132233133313223313221323331323311212   >>