C111123313121111121111331333132313331323133313331211111333132221122113311   >>    C11112331312111112111133133313231333132313331333121111133313222112211331   <<    C111123313121111121111331333132313331323133313331211111333132221122113313   >>      C111123313121111121111331333132313331323133313331211111333132221122113312   >>