C3132121111133313233121111331333133313331312121111331333132211212323221   >>    C313212111113331323312111133133313331333131212111133133313221121232322   <<    C3132121111133313233121111331333133313331312121111331333132211212323223   >>      C3132121111133313233121111331333133313331312121111331333132211212323222   >>