C11112331312111112111133133313231333132313232113313231333131133132323233231   >>    C1111233131211111211113313331323133313231323211331323133313113313232323323   <<    C11112331312111112111133133313231333132313232113313231333131133132323233233   >>      C11112331312111112111133133313231333132313232113313231333131133132323233232   >>