C3132121111133313233121111331333133313331333133313331333133313232321333233231   >>    C313212111113331323312111133133313331333133313331333133313331323232133323323   <<    C3132121111133313233121111331333133313331333133313331333133313232321333233233   >>      C3132121111133313233121111331333133313331333133313331333133313232321333233232   >>