C111123313121111121111331333133313331323221211113313112233232133221   >>    C11112331312111112111133133313331333132322121111331311223323213322   <<    C111123313121111121111331333133313331323221211113313112233232133223   >>      C111123313121111121111331333133313331323221211113313112233232133222   >>