C11111211113313112113313331333131133133313222313331323332233131   >>    C1111121111331311211331333133313113313331322231333132333223313   <<    C11111211113313112113313331333131133133313222313331323332233133   >>      C11111211113313112113313331333131133133313222313331323332233132   >>