C11112331312111112111133132313331333133313233313331333132212132332133221   >>    C1111233131211111211113313231333133313331323331333133313221213233213322   <<    C11112331312111112111133132313331333133313233313331333132212132332133223   >>      C11112331312111112111133132313331333133313233313331333132212132332133222   >>