C111113331333132322331333133313331311331312111111331311221123231231   >>    C11111333133313232233133313331333131133131211111133131122112323123   <<    C111113331333132322331333133313331311331312111111331311221123231233   >>      C111113331333132322331333133313331311331312111111331311221123231232   >>