C3132121111133313233121111331333133313331333133313331333133313331333133213221   >>    C313212111113331323312111133133313331333133313331333133313331333133313321322   <<    C3132121111133313233121111331333133313331333133313331333133313331333133213223   >>      C3132121111133313233121111331333133313331333133313331333133313331333133213222   >>