C1111133313331323223313331333133313331333113313331333131211111322111   >>    C111113331333132322331333133313331333133311331333133313121111132211   <<    C1111133313331323223313331333133313331333113313331333131211111322113   >>      C1111133313331323223313331333133313331333113313331333131211111322112   >>