C111123313331323113313331323133313331333132331112111133131133131331123221   >>    C11112331333132311331333132313331333133313233111211113313113313133112322   <<    C111123313331323113313331323133313331333132331112111133131133131331123223   >>      C111123313331323113313331323133313331333132331112111133131133131331123222   >>