C111123313121111121111331333133313331323221211113313331121113111   >>    C11112331312111112111133133313331333132322121111331333112111311   <<    C111123313121111121111331333133313331323221211113313331121113113   >>      C111123313121111121111331333133313331323221211113313331121113112   >>