C11111211113313112113313331333133313233313113121111331322233131   >>    C1111121111331311211331333133313331323331311312111133132223313   <<    C11111211113313112113313331333133313233313113121111331322233133   >>      C11111211113313112113313331333133313233313113121111331322233132   >>