C3123223313331322121111331333133313331333121211113313331323112331122112322221   >>    C312322331333132212111133133313331333133312121111331333132311233112211232222   <<    C3123223313331322121111331333133313331333121211113313331323112331122112322223   >>      C3123223313331322121111331333133313331333121211113313331323112331122112322222   >>