C11111333133313232233133313331333133313233231331121111331132211   >>    C1111133313331323223313331333133313331323323133112111133113221   <<    C11111333133313232233133313331333133313233231331121111331132213   >>      C11111333133313232233133313331333133313233231331121111331132212   >>