C3132121111133313233121111331333133313331333133313331333132313331311332233321   >>    C313212111113331323312111133133313331333133313331333133313231333131133223332   <<    C3132121111133313233121111331333133313331333133313331333132313331311332233323   >>      C3132121111133313233121111331333133313331333133313331333132313331311332233322   >>