C3132121111133313233121111331333133313331333133313331333133313331312313233221   >>    C313212111113331323312111133133313331333133313331333133313331333131231323322   <<    C3132121111133313233121111331333133313331333133313331333133313331312313233223   >>      C3132121111133313233121111331333133313331333133313331333133313331312313233222   >>