C111123313331323113313331333133313331323131211113313331323332313221   >>    C11112331333132311331333133313331333132313121111331333132333231322   <<    C111123313331323113313331333133313331323131211113313331323332313223   >>      C111123313331323113313331333133313331323131211113313331323332313222   >>