C312312111111331312111133132313331333133313232132313331322312311   >>    C31231211111133131211113313231333133313331323213231333132231231   <<    C312312111111331312111133132313331333133313232132313331322312313   >>      C312312111111331312111133132313331333133313232132313331322312312   >>