C13332313311211113313331333133313311211331333133313113313232321313321   >>    C1333231331121111331333133313331331121133133313331311331323232131332   <<    C13332313311211113313331333133313311211331333133313113313232321313323   >>      C13332313311211113313331333133313311211331333133313113313232321313322   >>