C111123313121111121111331323133313331333132322133313331133133313231322131   >>    C11112331312111112111133132313331333133313232213331333113313331323132213   <<    C111123313121111121111331323133313331333132322133313331133133313231322133   >>      C111123313121111121111331323133313331333132322133313331133133313231322132   >>