C111123313331323113313331323133313331333132331211113313331332111133131121211211   >>    C11112331333132311331333132313331333133313233121111331333133211113313112121121   <<    C111123313331323113313331323133313331333132331211113313331332111133131121211213   >>      C111123313331323113313331323133313331333132331211113313331332111133131121211212   >>