C11112331312111112111133133313231333132313331333223313232331131   >>    C1111233131211111211113313331323133313231333133322331323233113   <<    C11112331312111112111133133313231333132313331333223313232331133   >>      C11112331312111112111133133313231333132313331333223313232331132   >>