C111123313121111121111331333132313331323133313332213331323211111   >>    C11112331312111112111133133313231333132313331333221333132321111   <<    C111123313121111121111331333132313331323133313332213331323211113   >>      C111123313121111121111331333132313331323133313332213331323211112   >>