C111113331333132322331333133313331333133323223313311211111311312131   >>    C11111333133313232233133313331333133313332322331331121111131131213   <<    C111113331333132322331333133313331333133323223313311211111311312133   >>      C111113331333132322331333133313331333133323223313311211111311312132   >>