C3132121111133313233121111331333133313331322331333131133132333112113211311   >>    C313212111113331323312111133133313331333132233133313113313233311211321131   <<    C3132121111133313233121111331333133313331322331333131133132333112113211313   >>      C3132121111133313233121111331333133313331322331333131133132333112113211312   >>