C11111333133313232233133313331333133313332313331211113313232112323131   >>    C1111133313331323223313331333133313331333231333121111331323211232313   <<    C11111333133313232233133313331333133313332313331211113313232112323133   >>      C11111333133313232233133313331333133313332313331211113313232112323132   >>