C3132121111133313233121111331333133313331333133313331333131133133313331112131   >>    C313212111113331323312111133133313331333133313331333133313113313331333111213   <<    C3132121111133313233121111331333133313331333133313331333131133133313331112133   >>      C3132121111133313233121111331333133313331333133313331333131133133313331112132   >>