C11112331312111112111133133313331333132313233313113313331333133322132231   >>    C1111233131211111211113313331333133313231323331311331333133313332213223   <<    C11112331312111112111133133313331333132313233313113313331333133322132233   >>      C11112331312111112111133133313331333132313233313113313331333133322132232   >>