C3132121111133313233121111331333133313331333133313331333131133133112322131   >>    C313212111113331323312111133133313331333133313331333133313113313311232213   <<    C3132121111133313233121111331333133313331333133313331333131133133112322133   >>      C3132121111133313233121111331333133313331333133313331333131133133112322132   >>