C111123313121111121111331333133313331333131322113121111121133132322131   >>    C11112331312111112111133133313331333133313132211312111112113313232213   <<    C111123313121111121111331333133313331333131322113121111121133132322133   >>      C111123313121111121111331333133313331333131322113121111121133132322132   >>