C13332313311211113313331333133313133313232233121111331333133313332321311   >>    C1333231331121111331333133313331313331323223312111133133313331333232131   <<    C13332313311211113313331333133313133313232233121111331333133313332321313   >>      C13332313311211113313331333133313133313232233121111331333133313332321312   >>