C111123313121111121111331323133313331333132333133313331333231221   >>    C11112331312111112111133132313331333133313233313331333133323122   <<    C111123313121111121111331323133313331333132333133313331333231223   >>      C111123313121111121111331323133313331333132333133313331333231222   >>