C111123313331323113313331333133313331322331313312111133132333221   >>    C11112331333132311331333133313331333132233131331211113313233322   <<    C111123313331323113313331333133313331322331313312111133132333223   >>      C111123313331323113313331333133313331322331313312111133132333222   >>