C111123313121111121111331333133313331323221211113313222123323131   >>    C11112331312111112111133133313331333132322121111331322212332313   <<    C111123313121111121111331333133313331323221211113313222123323133   >>      C111123313121111121111331333133313331323221211113313222123323132   >>