C3132121111133313233121111331333133313331333133313331333133313331312312122321   >>    C313212111113331323312111133133313331333133313331333133313331333131231212232   <<    C3132121111133313233121111331333133313331333133313331333133313331312312122323   >>      C3132121111133313233121111331333133313331333133313331333133313331312312122322   >>