C11111333133313232233133313331333133313231333133313331121122221   >>    C1111133313331323223313331333133313331323133313331333112112222   <<    C11111333133313232233133313331333133313231333133313331121122223   >>      C11111333133313232233133313331333133313231333133313331121122222   >>