C111123313121111121111331333133313331323232133313331331123231221   >>    C11112331312111112111133133313331333132323213331333133112323122   <<    C111123313121111121111331333133313331323232133313331331123231223   >>      C111123313121111121111331333133313331323232133313331331123231222   >>