C3132121111133313233121111331333133313331333133313331333112322321   >>    C313212111113331323312111133133313331333133313331333133311232232   <<    C3132121111133313233121111331333133313331333133313331333112322323   >>      C3132121111133313233121111331333133313331333133313331333112322322   >>