C3123223313331322121111331333133313331333121211111333133323331323123221   >>    C312322331333132212111133133313331333133312121111133313332333132312322   <<    C3123223313331322121111331333133313331333121211111333133323331323123223   >>      C3123223313331322121111331333133313331333121211111333133323331323123222   >>