C313212111133131211331333133313331333133322121133132313331333132233313232311   >>    C31321211113313121133133313331333133313332212113313231333133313223331323231   <<    C313212111133131211331333133313331333133322121133132313331333132233313232313   >>      C313212111133131211331333133313331333133322121133132313331333132233313232312   >>