C3123223313331322121111331333133313231333133313331333133313232212113121   >>    C312322331333132212111133133313331323133313331333133313331323221211312   <<    C3123223313331322121111331333133313231333133313331333133313232212113123   >>      C3123223313331322121111331333133313231333133313331333133313232212113122   >>