C111123313121111121111331333132313331323133313331322211232312211   >>    C11112331312111112111133133313231333132313331333132221123231221   <<    C111123313121111121111331333132313331323133313331322211232312213   >>      C111123313121111121111331333132313331323133313331322211232312212   >>