C3132121111331312113313331333133313113313331312111113331323221333132211   >>    C313212111133131211331333133313331311331333131211111333132322133313221   <<    C3132121111331312113313331333133313113313331312111113331323221333132213   >>      C3132121111331312113313331333133313113313331312111113331323221333132212   >>