C3132121111133313233121111331333133313331333133313331333133313331313213321   >>    C313212111113331323312111133133313331333133313331333133313331333131321332   <<    C3132121111133313233121111331333133313331333133313331333133313331313213323   >>      C3132121111133313233121111331333133313331333133313331333133313331313213322   >>