C3132121111133313233121111331333133313331333133313331333131133133313231321131   >>    C313212111113331323312111133133313331333133313331333133313113313331323132113   <<    C3132121111133313233121111331333133313331333133313331333131133133313231321133   >>      C3132121111133313233121111331333133313331333133313331333131133133313231321132   >>