C3132121111133313233121111331333133313331333133313331333133313211232313321   >>    C313212111113331323312111133133313331333133313331333133313331321123231332   <<    C3132121111133313233121111331333133313331333133313331333133313211232313323   >>      C3132121111133313233121111331333133313331333133313331333133313211232313322   >>