C111113331333132322331333133313331331121111121133131131211111211211311   >>    C11111333133313232233133313331333133112111112113313113121111121121131   <<    C111113331333132322331333133313331331121111121133131131211111211211313   >>      C111113331333132322331333133313331331121111121133131131211111211211312   >>