C13332313311211113313331333133313133313232233121111331333132233112121   >>    C1333231331121111331333133313331313331323223312111133133313223311212   <<    C13332313311211113313331333133313133313232233121111331333132233112123   >>      C13332313311211113313331333133313133313232233121111331333132233112122   >>