C1111233131211111211113313331312111133112113121111133313331322332233131   >>    C111123313121111121111331333131211113311211312111113331333132233223313   <<    C1111233131211111211113313331312111133112113121111133313331322332233133   >>      C1111233131211111211113313331312111133112113121111133313331322332233132   >>