C11111333133313232233133313331333133313231333133313331121211233132333221   >>    C1111133313331323223313331333133313331323133313331333112121123313233322   <<    C11111333133313232233133313331333133313231333133313331121211233132333223   >>      C11111333133313232233133313331333133313231333133313331121211233132333222   >>