C111123313121111121111331333132313331323133313331211111333132223311211   >>    C11112331312111112111133133313231333132313331333121111133313222331121   <<    C111123313121111121111331333132313331323133313331211111333132223311213   >>      C111123313121111121111331333132313331323133313331211111333132223311212   >>