C3132121111133313233121111331333133313331333133313331333131223323321   >>    C313212111113331323312111133133313331333133313331333133313122332332   <<    C3132121111133313233121111331333133313331333133313331333131223323323   >>      C3132121111133313233121111331333133313331333133313331333131223323322   >>