C111113331333132322331333133313331333133313121111121333132232311   >>    C11111333133313232233133313331333133313331312111112133313223231   <<    C111113331333132322331333133313331333133313121111121333132232313   >>      C111113331333132322331333133313331333133313121111121333132232312   >>