C312312111111331312111133133313121111133313113313331323223313232332113311   >>    C31231211111133131211113313331312111113331311331333132322331323233211331   <<    C312312111111331312111133133313121111133313113313331323223313232332113313   >>      C312312111111331312111133133313121111133313113313331323223313232332113312   >>