C3132121111133313233121111331333133313331333133313331333133313331313223321   >>    C313212111113331323312111133133313331333133313331333133313331333131322332   <<    C3132121111133313233121111331333133313331333133313331333133313331313223323   >>      C3132121111133313233121111331333133313331333133313331333133313331313223322   >>