C11111211113313112113313331333133313331333131211111133131133132233131133131   >>    C1111121111331311211331333133313331333133313121111113313113313223313113313   <<    C11111211113313112113313331333133313331333131211111133131133132233131133133   >>      C11111211113313112113313331333133313331333131211111133131133132233131133132   >>