C11112331312111112111133133313231333132313331333132233312113313331321123132331   >>    C1111233131211111211113313331323133313231333133313223331211331333132112313233   <<    C11112331312111112111133133313231333132313331333132233312113313331321123132333   >>      C11112331312111112111133133313231333132313331333132233312113313331321123132332   >>