C3132121111133313233121111331333133313331333133313331333131133133312132321   >>    C313212111113331323312111133133313331333133313331333133313113313331213232   <<    C3132121111133313233121111331333133313331333133313331333131133133312132323   >>      C3132121111133313233121111331333133313331333133313331333131133133312132322   >>